Finding the Third Proportional to 55,522.13 and 85,878.56

Step by Step Solution

1. Step 1: Write the proportion equation
   55,522.13 : 85,878.56 = 85,878.56 : x
2. Step 2: Convert to fraction form
   55,522.13/85,878.56 = 85,878.56/x
3. Step 3: Cross multiply
   55,522.13x = 85,878.56 × 85,878.56
4. Step 4: Simplify right side
   55,522.13x = 7,375,127,497.07
5. Step 5: Solve for x
   x = 7,375,127,497.07/55,522.13
6. Step 6: Final answer
   x = 132,832.23