Finding the Third Proportional to 372,330 and 803,695.50

Step by Step Solution

1. Step 1: Write the proportion equation
   372,330 : 803,695.50 = 803,695.50 : x
2. Step 2: Convert to fraction form
   372,330/803,695.50 = 803,695.50/x
3. Step 3: Cross multiply
   372,330x = 803,695.50 × 803,695.50
4. Step 4: Simplify right side
   372,330x = 645,926,456,720.25
5. Step 5: Solve for x
   x = 645,926,456,720.25/372,330
6. Step 6: Final answer
   x = 1,734,822.49