Finding the Third Proportional to 55,710 and 84,037.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,710 : 84,037.50 = 84,037.50 : x
2. Step 2: Convert to fraction form
   55,710/84,037.50 = 84,037.50/x
3. Step 3: Cross multiply
   55,710x = 84,037.50 × 84,037.50
4. Step 4: Simplify right side
   55,710x = 7,062,301,406.25
5. Step 5: Solve for x
   x = 7,062,301,406.25/55,710
6. Step 6: Final answer
   x = 126,769.01