Finding the Third Proportional to 169,854,906,718 and 263,732,123,584.50

Step by Step Solution

1. Step 1: Write the proportion equation
   169,854,906,718 : 263,732,123,584.50 = 263,732,123,584.50 : x
2. Step 2: Convert to fraction form
   169,854,906,718/263,732,123,584.50 = 263,732,123,584.50/x
3. Step 3: Cross multiply
   169,854,906,718x = 263,732,123,584.50 × 263,732,123,584.50
4. Step 4: Simplify right side
   169,854,906,718x = 69,554,633,010,389,981,331,456
5. Step 5: Solve for x
   x = 69,554,633,010,389,981,331,456/169,854,906,718
6. Step 6: Final answer
   x = 409,494,399,392.70