Finding the Third Proportional to 55,521 and 88,303.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,521 : 88,303.50 = 88,303.50 : x
2. Step 2: Convert to fraction form
   55,521/88,303.50 = 88,303.50/x
3. Step 3: Cross multiply
   55,521x = 88,303.50 × 88,303.50
4. Step 4: Simplify right side
   55,521x = 7,797,508,112.25
5. Step 5: Solve for x
   x = 7,797,508,112.25/55,521
6. Step 6: Final answer
   x = 140,442.50