Finding the Third Proportional to 288,414,359,571 and 423,981,902,977

Step by Step Solution

1. Step 1: Write the proportion equation
   288,414,359,571 : 423,981,902,977 = 423,981,902,977 : x
2. Step 2: Convert to fraction form
   288,414,359,571/423,981,902,977 = 423,981,902,977/x
3. Step 3: Cross multiply
   288,414,359,571x = 423,981,902,977 × 423,981,902,977
4. Step 4: Simplify right side
   288,414,359,571x = 179,760,654,051,998,231,953,408
5. Step 5: Solve for x
   x = 179,760,654,051,998,231,953,408/288,414,359,571
6. Step 6: Final answer
   x = 623,272,205,722.98