Finding the Third Proportional to 55,310 and 85,062

Step by Step Solution

1. Step 1: Write the proportion equation
   55,310 : 85,062 = 85,062 : x
2. Step 2: Convert to fraction form
   55,310/85,062 = 85,062/x
3. Step 3: Cross multiply
   55,310x = 85,062 × 85,062
4. Step 4: Simplify right side
   55,310x = 7,235,543,844
5. Step 5: Solve for x
   x = 7,235,543,844/55,310
6. Step 6: Final answer
   x = 130,818.00