Finding the Third Proportional to 55,045.13 and 85,054.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,045.13 : 85,054.50 = 85,054.50 : x
2. Step 2: Convert to fraction form
   55,045.13/85,054.50 = 85,054.50/x
3. Step 3: Cross multiply
   55,045.13x = 85,054.50 × 85,054.50
4. Step 4: Simplify right side
   55,045.13x = 7,234,267,970.25
5. Step 5: Solve for x
   x = 7,234,267,970.25/55,045.13
6. Step 6: Final answer
   x = 131,424.32