Finding the Third Proportional to 55,298.81 and 83,401.31

Step by Step Solution

1. Step 1: Write the proportion equation
   55,298.81 : 83,401.31 = 83,401.31 : x
2. Step 2: Convert to fraction form
   55,298.81/83,401.31 = 83,401.31/x
3. Step 3: Cross multiply
   55,298.81x = 83,401.31 × 83,401.31
4. Step 4: Simplify right side
   55,298.81x = 6,955,778,926.72
5. Step 5: Solve for x
   x = 6,955,778,926.72/55,298.81
6. Step 6: Final answer
   x = 125,785.32