Finding the Third Proportional to 132,682.50 and 291,429

Step by Step Solution

1. Step 1: Write the proportion equation
   132,682.50 : 291,429 = 291,429 : x
2. Step 2: Convert to fraction form
   132,682.50/291,429 = 291,429/x
3. Step 3: Cross multiply
   132,682.50x = 291,429 × 291,429
4. Step 4: Simplify right side
   132,682.50x = 84,930,862,041
5. Step 5: Solve for x
   x = 84,930,862,041/132,682.50
6. Step 6: Final answer
   x = 640,105.98