Finding the Third Proportional to 1,251,630 and 2,691,880

Step by Step Solution

1. Step 1: Write the proportion equation
   1,251,630 : 2,691,880 = 2,691,880 : x
2. Step 2: Convert to fraction form
   1,251,630/2,691,880 = 2,691,880/x
3. Step 3: Cross multiply
   1,251,630x = 2,691,880 × 2,691,880
4. Step 4: Simplify right side
   1,251,630x = 7,246,217,934,400
5. Step 5: Solve for x
   x = 7,246,217,934,400/1,251,630
6. Step 6: Final answer
   x = 5,789,424.94