Finding the Third Proportional to 2,748,990 and 5,686,548

Step by Step Solution

1. Step 1: Write the proportion equation
   2,748,990 : 5,686,548 = 5,686,548 : x
2. Step 2: Convert to fraction form
   2,748,990/5,686,548 = 5,686,548/x
3. Step 3: Cross multiply
   2,748,990x = 5,686,548 × 5,686,548
4. Step 4: Simplify right side
   2,748,990x = 32,336,828,156,304
5. Step 5: Solve for x
   x = 32,336,828,156,304/2,748,990
6. Step 6: Final answer
   x = 11,763,166.89