Finding the Third Proportional to 387,066 and 597,859.50

Step by Step Solution

1. Step 1: Write the proportion equation
   387,066 : 597,859.50 = 597,859.50 : x
2. Step 2: Convert to fraction form
   387,066/597,859.50 = 597,859.50/x
3. Step 3: Cross multiply
   387,066x = 597,859.50 × 597,859.50
4. Step 4: Simplify right side
   387,066x = 357,435,981,740.25
5. Step 5: Solve for x
   x = 357,435,981,740.25/387,066
6. Step 6: Final answer
   x = 923,449.70