Finding the Third Proportional to 66,885.75 and 91,102.22

Step by Step Solution

1. Step 1: Write the proportion equation
   66,885.75 : 91,102.22 = 91,102.22 : x
2. Step 2: Convert to fraction form
   66,885.75/91,102.22 = 91,102.22/x
3. Step 3: Cross multiply
   66,885.75x = 91,102.22 × 91,102.22
4. Step 4: Simplify right side
   66,885.75x = 8,299,614,261.17
5. Step 5: Solve for x
   x = 8,299,614,261.17/66,885.75
6. Step 6: Final answer
   x = 124,086.43