Finding the Third Proportional to 55,459 and 83,161.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,459 : 83,161.50 = 83,161.50 : x
2. Step 2: Convert to fraction form
   55,459/83,161.50 = 83,161.50/x
3. Step 3: Cross multiply
   55,459x = 83,161.50 × 83,161.50
4. Step 4: Simplify right side
   55,459x = 6,915,835,082.25
5. Step 5: Solve for x
   x = 6,915,835,082.25/55,459
6. Step 6: Final answer
   x = 124,701.76