Finding the Third Proportional to 59,840.25 and 91,056.75

Step by Step Solution

1. Step 1: Write the proportion equation
   59,840.25 : 91,056.75 = 91,056.75 : x
2. Step 2: Convert to fraction form
   59,840.25/91,056.75 = 91,056.75/x
3. Step 3: Cross multiply
   59,840.25x = 91,056.75 × 91,056.75
4. Step 4: Simplify right side
   59,840.25x = 8,291,331,720.56
5. Step 5: Solve for x
   x = 8,291,331,720.56/59,840.25
6. Step 6: Final answer
   x = 138,557.77