Finding the Third Proportional to 43,761.50 and 89,129

Step by Step Solution

1. Step 1: Write the proportion equation
   43,761.50 : 89,129 = 89,129 : x
2. Step 2: Convert to fraction form
   43,761.50/89,129 = 89,129/x
3. Step 3: Cross multiply
   43,761.50x = 89,129 × 89,129
4. Step 4: Simplify right side
   43,761.50x = 7,943,978,641
5. Step 5: Solve for x
   x = 7,943,978,641/43,761.50
6. Step 6: Final answer
   x = 181,528.94