Finding the Third Proportional to 55,683.07 and 86,266.90

Step by Step Solution

1. Step 1: Write the proportion equation
   55,683.07 : 86,266.90 = 86,266.90 : x
2. Step 2: Convert to fraction form
   55,683.07/86,266.90 = 86,266.90/x
3. Step 3: Cross multiply
   55,683.07x = 86,266.90 × 86,266.90
4. Step 4: Simplify right side
   55,683.07x = 7,441,977,766.03
5. Step 5: Solve for x
   x = 7,441,977,766.03/55,683.07
6. Step 6: Final answer
   x = 133,648.84