Finding the Third Proportional to 2,748,972 and 5,686,512

Step by Step Solution

1. Step 1: Write the proportion equation
   2,748,972 : 5,686,512 = 5,686,512 : x
2. Step 2: Convert to fraction form
   2,748,972/5,686,512 = 5,686,512/x
3. Step 3: Cross multiply
   2,748,972x = 5,686,512 × 5,686,512
4. Step 4: Simplify right side
   2,748,972x = 32,336,418,726,144
5. Step 5: Solve for x
   x = 32,336,418,726,144/2,748,972
6. Step 6: Final answer
   x = 11,763,094.98