Finding the Third Proportional to 27,285.75 and 59,431.50

Step by Step Solution

1. Step 1: Write the proportion equation
   27,285.75 : 59,431.50 = 59,431.50 : x
2. Step 2: Convert to fraction form
   27,285.75/59,431.50 = 59,431.50/x
3. Step 3: Cross multiply
   27,285.75x = 59,431.50 × 59,431.50
4. Step 4: Simplify right side
   27,285.75x = 3,532,103,192.25
5. Step 5: Solve for x
   x = 3,532,103,192.25/27,285.75
6. Step 6: Final answer
   x = 129,448.64