Finding the Third Proportional to 89,820.56 and 149,693.06

Step by Step Solution

1. Step 1: Write the proportion equation
   89,820.56 : 149,693.06 = 149,693.06 : x
2. Step 2: Convert to fraction form
   89,820.56/149,693.06 = 149,693.06/x
3. Step 3: Cross multiply
   89,820.56x = 149,693.06 × 149,693.06
4. Step 4: Simplify right side
   89,820.56x = 22,408,012,960.63
5. Step 5: Solve for x
   x = 22,408,012,960.63/89,820.56
6. Step 6: Final answer
   x = 249,475.31