Finding the Third Proportional to 55,510.31 and 84,655.13

Step by Step Solution

1. Step 1: Write the proportion equation
   55,510.31 : 84,655.13 = 84,655.13 : x
2. Step 2: Convert to fraction form
   55,510.31/84,655.13 = 84,655.13/x
3. Step 3: Cross multiply
   55,510.31x = 84,655.13 × 84,655.13
4. Step 4: Simplify right side
   55,510.31x = 7,166,490,188.77
5. Step 5: Solve for x
   x = 7,166,490,188.77/55,510.31
6. Step 6: Final answer
   x = 129,101.96