Finding the Third Proportional to 372,356.50 and 803,745

Step by Step Solution

1. Step 1: Write the proportion equation
   372,356.50 : 803,745 = 803,745 : x
2. Step 2: Convert to fraction form
   372,356.50/803,745 = 803,745/x
3. Step 3: Cross multiply
   372,356.50x = 803,745 × 803,745
4. Step 4: Simplify right side
   372,356.50x = 646,006,025,025
5. Step 5: Solve for x
   x = 646,006,025,025/372,356.50
6. Step 6: Final answer
   x = 1,734,912.71