Finding the Third Proportional to 387,003 and 597,760.50

Step by Step Solution

1. Step 1: Write the proportion equation
   387,003 : 597,760.50 = 597,760.50 : x
2. Step 2: Convert to fraction form
   387,003/597,760.50 = 597,760.50/x
3. Step 3: Cross multiply
   387,003x = 597,760.50 × 597,760.50
4. Step 4: Simplify right side
   387,003x = 357,317,615,360.25
5. Step 5: Solve for x
   x = 357,317,615,360.25/387,003
6. Step 6: Final answer
   x = 923,294.17