Finding the Third Proportional to 55,482 and 90,587

Step by Step Solution

1. Step 1: Write the proportion equation
   55,482 : 90,587 = 90,587 : x
2. Step 2: Convert to fraction form
   55,482/90,587 = 90,587/x
3. Step 3: Cross multiply
   55,482x = 90,587 × 90,587
4. Step 4: Simplify right side
   55,482x = 8,206,004,569
5. Step 5: Solve for x
   x = 8,206,004,569/55,482
6. Step 6: Final answer
   x = 147,903.91