Finding the Third Proportional to 44,990 and 71,490

Step by Step Solution

1. Step 1: Write the proportion equation
   44,990 : 71,490 = 71,490 : x
2. Step 2: Convert to fraction form
   44,990/71,490 = 71,490/x
3. Step 3: Cross multiply
   44,990x = 71,490 × 71,490
4. Step 4: Simplify right side
   44,990x = 5,110,820,100
5. Step 5: Solve for x
   x = 5,110,820,100/44,990
6. Step 6: Final answer
   x = 113,599.02