Finding the Third Proportional to 385,656 and 593,149.50

Step by Step Solution

1. Step 1: Write the proportion equation
   385,656 : 593,149.50 = 593,149.50 : x
2. Step 2: Convert to fraction form
   385,656/593,149.50 = 593,149.50/x
3. Step 3: Cross multiply
   385,656x = 593,149.50 × 593,149.50
4. Step 4: Simplify right side
   385,656x = 351,826,329,350.25
5. Step 5: Solve for x
   x = 351,826,329,350.25/385,656
6. Step 6: Final answer
   x = 912,280.19