Finding the Third Proportional to 288,414,359,568 and 423,981,902,972

Step by Step Solution

1. Step 1: Write the proportion equation
   288,414,359,568 : 423,981,902,972 = 423,981,902,972 : x
2. Step 2: Convert to fraction form
   288,414,359,568/423,981,902,972 = 423,981,902,972/x
3. Step 3: Cross multiply
   288,414,359,568x = 423,981,902,972 × 423,981,902,972
4. Step 4: Simplify right side
   288,414,359,568x = 179,760,654,047,758,428,143,616
5. Step 5: Solve for x
   x = 179,760,654,047,758,428,143,616/288,414,359,568
6. Step 6: Final answer
   x = 623,272,205,714.76