Finding the Third Proportional to 60,106.50 and 85,434.75

Step by Step Solution

1. Step 1: Write the proportion equation
   60,106.50 : 85,434.75 = 85,434.75 : x
2. Step 2: Convert to fraction form
   60,106.50/85,434.75 = 85,434.75/x
3. Step 3: Cross multiply
   60,106.50x = 85,434.75 × 85,434.75
4. Step 4: Simplify right side
   60,106.50x = 7,299,096,507.56
5. Step 5: Solve for x
   x = 7,299,096,507.56/60,106.50
6. Step 6: Final answer
   x = 121,436.06