Finding the Third Proportional to 386,981 and 597,959.50

Step by Step Solution

1. Step 1: Write the proportion equation
   386,981 : 597,959.50 = 597,959.50 : x
2. Step 2: Convert to fraction form
   386,981/597,959.50 = 597,959.50/x
3. Step 3: Cross multiply
   386,981x = 597,959.50 × 597,959.50
4. Step 4: Simplify right side
   386,981x = 357,555,563,640.25
5. Step 5: Solve for x
   x = 357,555,563,640.25/386,981
6. Step 6: Final answer
   x = 923,961.55