Finding the Third Proportional to 55,848 and 85,087.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,848 : 85,087.50 = 85,087.50 : x
2. Step 2: Convert to fraction form
   55,848/85,087.50 = 85,087.50/x
3. Step 3: Cross multiply
   55,848x = 85,087.50 × 85,087.50
4. Step 4: Simplify right side
   55,848x = 7,239,882,656.25
5. Step 5: Solve for x
   x = 7,239,882,656.25/55,848
6. Step 6: Final answer
   x = 129,635.49