Finding the Third Proportional to 169,151,521.50 and 269,155,471.50

Step by Step Solution

1. Step 1: Write the proportion equation
   169,151,521.50 : 269,155,471.50 = 269,155,471.50 : x
2. Step 2: Convert to fraction form
   169,151,521.50/269,155,471.50 = 269,155,471.50/x
3. Step 3: Cross multiply
   169,151,521.50x = 269,155,471.50 × 269,155,471.50
4. Step 4: Simplify right side
   169,151,521.50x = 72,444,667,838,387,312
5. Step 5: Solve for x
   x = 72,444,667,838,387,312/169,151,521.50
6. Step 6: Final answer
   x = 428,282,685.23