Finding the Third Proportional to 288,414,359,305.50 and 423,981,902,620.50

Step by Step Solution

1. Step 1: Write the proportion equation
   288,414,359,305.50 : 423,981,902,620.50 = 423,981,902,620.50 : x
2. Step 2: Convert to fraction form
   288,414,359,305.50/423,981,902,620.50 = 423,981,902,620.50/x
3. Step 3: Cross multiply
   288,414,359,305.50x = 423,981,902,620.50 × 423,981,902,620.50
4. Step 4: Simplify right side
   288,414,359,305.50x = 179,760,653,749,699,139,862,528
5. Step 5: Solve for x
   x = 179,760,653,749,699,139,862,528/288,414,359,305.50
6. Step 6: Final answer
   x = 623,272,205,248.59