Finding the Third Proportional to 329,083.50 and 712,140

Step by Step Solution

1. Step 1: Write the proportion equation
   329,083.50 : 712,140 = 712,140 : x
2. Step 2: Convert to fraction form
   329,083.50/712,140 = 712,140/x
3. Step 3: Cross multiply
   329,083.50x = 712,140 × 712,140
4. Step 4: Simplify right side
   329,083.50x = 507,143,379,600
5. Step 5: Solve for x
   x = 507,143,379,600/329,083.50
6. Step 6: Final answer
   x = 1,541,078.11