Finding the Third Proportional to 443,299.50 and 702,060

Step by Step Solution

1. Step 1: Write the proportion equation
   443,299.50 : 702,060 = 702,060 : x
2. Step 2: Convert to fraction form
   443,299.50/702,060 = 702,060/x
3. Step 3: Cross multiply
   443,299.50x = 702,060 × 702,060
4. Step 4: Simplify right side
   443,299.50x = 492,888,243,600
5. Step 5: Solve for x
   x = 492,888,243,600/443,299.50
6. Step 6: Final answer
   x = 1,111,862.85