Finding the Third Proportional to 2,486,830 and 5,447,076

Step by Step Solution

1. Step 1: Write the proportion equation
   2,486,830 : 5,447,076 = 5,447,076 : x
2. Step 2: Convert to fraction form
   2,486,830/5,447,076 = 5,447,076/x
3. Step 3: Cross multiply
   2,486,830x = 5,447,076 × 5,447,076
4. Step 4: Simplify right side
   2,486,830x = 29,670,636,949,776
5. Step 5: Solve for x
   x = 29,670,636,949,776/2,486,830
6. Step 6: Final answer
   x = 11,931,107.86