Finding the Third Proportional to 86,113.13 and 98,642.81

Step by Step Solution

1. Step 1: Write the proportion equation
   86,113.13 : 98,642.81 = 98,642.81 : x
2. Step 2: Convert to fraction form
   86,113.13/98,642.81 = 98,642.81/x
3. Step 3: Cross multiply
   86,113.13x = 98,642.81 × 98,642.81
4. Step 4: Simplify right side
   86,113.13x = 9,730,404,457.91
5. Step 5: Solve for x
   x = 9,730,404,457.91/86,113.13
6. Step 6: Final answer
   x = 112,995.60