Finding the Third Proportional to 59,955 and 86,617.31

Step by Step Solution

1. Step 1: Write the proportion equation
   59,955 : 86,617.31 = 86,617.31 : x
2. Step 2: Convert to fraction form
   59,955/86,617.31 = 86,617.31/x
3. Step 3: Cross multiply
   59,955x = 86,617.31 × 86,617.31
4. Step 4: Simplify right side
   59,955x = 7,502,558,824.72
5. Step 5: Solve for x
   x = 7,502,558,824.72/59,955
6. Step 6: Final answer
   x = 125,136.50