Finding the Third Proportional to 59,231 and 84,700.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,231 : 84,700.50 = 84,700.50 : x
2. Step 2: Convert to fraction form
   59,231/84,700.50 = 84,700.50/x
3. Step 3: Cross multiply
   59,231x = 84,700.50 × 84,700.50
4. Step 4: Simplify right side
   59,231x = 7,174,174,700.25
5. Step 5: Solve for x
   x = 7,174,174,700.25/59,231
6. Step 6: Final answer
   x = 121,121.96