Finding the Third Proportional to 329,736.50 and 710,665

Step by Step Solution

1. Step 1: Write the proportion equation
   329,736.50 : 710,665 = 710,665 : x
2. Step 2: Convert to fraction form
   329,736.50/710,665 = 710,665/x
3. Step 3: Cross multiply
   329,736.50x = 710,665 × 710,665
4. Step 4: Simplify right side
   329,736.50x = 505,044,742,225
5. Step 5: Solve for x
   x = 505,044,742,225/329,736.50
6. Step 6: Final answer
   x = 1,531,661.62