Finding the Third Proportional to 66,915.56 and 98,523.56

Step by Step Solution

1. Step 1: Write the proportion equation
   66,915.56 : 98,523.56 = 98,523.56 : x
2. Step 2: Convert to fraction form
   66,915.56/98,523.56 = 98,523.56/x
3. Step 3: Cross multiply
   66,915.56x = 98,523.56 × 98,523.56
4. Step 4: Simplify right side
   66,915.56x = 9,706,892,367.69
5. Step 5: Solve for x
   x = 9,706,892,367.69/66,915.56
6. Step 6: Final answer
   x = 145,061.81