Finding the Third Proportional to 377,931.50 and 572,895.50

Step by Step Solution

1. Step 1: Write the proportion equation
   377,931.50 : 572,895.50 = 572,895.50 : x
2. Step 2: Convert to fraction form
   377,931.50/572,895.50 = 572,895.50/x
3. Step 3: Cross multiply
   377,931.50x = 572,895.50 × 572,895.50
4. Step 4: Simplify right side
   377,931.50x = 328,209,253,920.25
5. Step 5: Solve for x
   x = 328,209,253,920.25/377,931.50
6. Step 6: Final answer
   x = 868,435.82