Finding the Third Proportional to 55,430.58 and 85,606.24

Step by Step Solution

1. Step 1: Write the proportion equation
   55,430.58 : 85,606.24 = 85,606.24 : x
2. Step 2: Convert to fraction form
   55,430.58/85,606.24 = 85,606.24/x
3. Step 3: Cross multiply
   55,430.58x = 85,606.24 × 85,606.24
4. Step 4: Simplify right side
   55,430.58x = 7,328,428,701.46
5. Step 5: Solve for x
   x = 7,328,428,701.46/55,430.58
6. Step 6: Final answer
   x = 132,209.13