Finding the Third Proportional to 61,630 and 90,250

Step by Step Solution

1. Step 1: Write the proportion equation
   61,630 : 90,250 = 90,250 : x
2. Step 2: Convert to fraction form
   61,630/90,250 = 90,250/x
3. Step 3: Cross multiply
   61,630x = 90,250 × 90,250
4. Step 4: Simplify right side
   61,630x = 8,145,062,500
5. Step 5: Solve for x
   x = 8,145,062,500/61,630
6. Step 6: Final answer
   x = 132,160.68