Finding the Third Proportional to 89,807.48 and 149,672.81

Step by Step Solution

1. Step 1: Write the proportion equation
   89,807.48 : 149,672.81 = 149,672.81 : x
2. Step 2: Convert to fraction form
   89,807.48/149,672.81 = 149,672.81/x
3. Step 3: Cross multiply
   89,807.48x = 149,672.81 × 149,672.81
4. Step 4: Simplify right side
   89,807.48x = 22,401,950,801.66
5. Step 5: Solve for x
   x = 22,401,950,801.66/89,807.48
6. Step 6: Final answer
   x = 249,444.14