Finding the Third Proportional to 288,414,359,562 and 423,981,902,963

Step by Step Solution

1. Step 1: Write the proportion equation
   288,414,359,562 : 423,981,902,963 = 423,981,902,963 : x
2. Step 2: Convert to fraction form
   288,414,359,562/423,981,902,963 = 423,981,902,963/x
3. Step 3: Cross multiply
   288,414,359,562x = 423,981,902,963 × 423,981,902,963
4. Step 4: Simplify right side
   288,414,359,562x = 179,760,654,040,126,741,020,672
5. Step 5: Solve for x
   x = 179,760,654,040,126,741,020,672/288,414,359,562
6. Step 6: Final answer
   x = 623,272,205,701.27