Finding the Third Proportional to 386,730 and 597,595.50

Step by Step Solution

1. Step 1: Write the proportion equation
   386,730 : 597,595.50 = 597,595.50 : x
2. Step 2: Convert to fraction form
   386,730/597,595.50 = 597,595.50/x
3. Step 3: Cross multiply
   386,730x = 597,595.50 × 597,595.50
4. Step 4: Simplify right side
   386,730x = 357,120,381,620.25
5. Step 5: Solve for x
   x = 357,120,381,620.25/386,730
6. Step 6: Final answer
   x = 923,435.94