Finding the Third Proportional to 59,153.63 and 89,435.81

Step by Step Solution

1. Step 1: Write the proportion equation
   59,153.63 : 89,435.81 = 89,435.81 : x
2. Step 2: Convert to fraction form
   59,153.63/89,435.81 = 89,435.81/x
3. Step 3: Cross multiply
   59,153.63x = 89,435.81 × 89,435.81
4. Step 4: Simplify right side
   59,153.63x = 7,998,764,557.54
5. Step 5: Solve for x
   x = 7,998,764,557.54/59,153.63
6. Step 6: Final answer
   x = 135,220.19