Finding the Third Proportional to 55,704 and 84,028.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,704 : 84,028.50 = 84,028.50 : x
2. Step 2: Convert to fraction form
   55,704/84,028.50 = 84,028.50/x
3. Step 3: Cross multiply
   55,704x = 84,028.50 × 84,028.50
4. Step 4: Simplify right side
   55,704x = 7,060,788,812.25
5. Step 5: Solve for x
   x = 7,060,788,812.25/55,704
6. Step 6: Final answer
   x = 126,755.51