Finding the Third Proportional to 386,941.50 and 597,910.50

Step by Step Solution

1. Step 1: Write the proportion equation
   386,941.50 : 597,910.50 = 597,910.50 : x
2. Step 2: Convert to fraction form
   386,941.50/597,910.50 = 597,910.50/x
3. Step 3: Cross multiply
   386,941.50x = 597,910.50 × 597,910.50
4. Step 4: Simplify right side
   386,941.50x = 357,496,966,010.25
5. Step 5: Solve for x
   x = 357,496,966,010.25/386,941.50
6. Step 6: Final answer
   x = 923,904.43