Finding the Third Proportional to 60,312 and 132,589.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,312 : 132,589.50 = 132,589.50 : x
2. Step 2: Convert to fraction form
   60,312/132,589.50 = 132,589.50/x
3. Step 3: Cross multiply
   60,312x = 132,589.50 × 132,589.50
4. Step 4: Simplify right side
   60,312x = 17,579,975,510.25
5. Step 5: Solve for x
   x = 17,579,975,510.25/60,312
6. Step 6: Final answer
   x = 291,483.88