Finding the Third Proportional to 89,806.64 and 149,671.55

Step by Step Solution

1. Step 1: Write the proportion equation
   89,806.64 : 149,671.55 = 149,671.55 : x
2. Step 2: Convert to fraction form
   89,806.64/149,671.55 = 149,671.55/x
3. Step 3: Cross multiply
   89,806.64x = 149,671.55 × 149,671.55
4. Step 4: Simplify right side
   89,806.64x = 22,401,571,943.96
5. Step 5: Solve for x
   x = 22,401,571,943.96/89,806.64
6. Step 6: Final answer
   x = 249,442.27