Finding the Third Proportional to 55,480 and 90,584

Step by Step Solution

1. Step 1: Write the proportion equation
   55,480 : 90,584 = 90,584 : x
2. Step 2: Convert to fraction form
   55,480/90,584 = 90,584/x
3. Step 3: Cross multiply
   55,480x = 90,584 × 90,584
4. Step 4: Simplify right side
   55,480x = 8,205,461,056
5. Step 5: Solve for x
   x = 8,205,461,056/55,480
6. Step 6: Final answer
   x = 147,899.44