Finding the Third Proportional to 131,670.50 and 291,812

Step by Step Solution

1. Step 1: Write the proportion equation
   131,670.50 : 291,812 = 291,812 : x
2. Step 2: Convert to fraction form
   131,670.50/291,812 = 291,812/x
3. Step 3: Cross multiply
   131,670.50x = 291,812 × 291,812
4. Step 4: Simplify right side
   131,670.50x = 85,154,243,344
5. Step 5: Solve for x
   x = 85,154,243,344/131,670.50
6. Step 6: Final answer
   x = 646,722.26