Finding the Third Proportional to 371,068.50 and 555,631.50

Step by Step Solution

1. Step 1: Write the proportion equation
   371,068.50 : 555,631.50 = 555,631.50 : x
2. Step 2: Convert to fraction form
   371,068.50/555,631.50 = 555,631.50/x
3. Step 3: Cross multiply
   371,068.50x = 555,631.50 × 555,631.50
4. Step 4: Simplify right side
   371,068.50x = 308,726,363,792.25
5. Step 5: Solve for x
   x = 308,726,363,792.25/371,068.50
6. Step 6: Final answer
   x = 831,992.92