Finding the Third Proportional to 2,152,900 and 5,074,990

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152,900 : 5,074,990 = 5,074,990 : x
2. Step 2: Convert to fraction form
   2,152,900/5,074,990 = 5,074,990/x
3. Step 3: Cross multiply
   2,152,900x = 5,074,990 × 5,074,990
4. Step 4: Simplify right side
   2,152,900x = 25,755,523,500,100
5. Step 5: Solve for x
   x = 25,755,523,500,100/2,152,900
6. Step 6: Final answer
   x = 11,963,176.88