Finding the Third Proportional to 329,080.50 and 712,134

Step by Step Solution

1. Step 1: Write the proportion equation
   329,080.50 : 712,134 = 712,134 : x
2. Step 2: Convert to fraction form
   329,080.50/712,134 = 712,134/x
3. Step 3: Cross multiply
   329,080.50x = 712,134 × 712,134
4. Step 4: Simplify right side
   329,080.50x = 507,134,833,956
5. Step 5: Solve for x
   x = 507,134,833,956/329,080.50
6. Step 6: Final answer
   x = 1,541,066.19