Finding the Third Proportional to 3,124,644 and 4,869,672

Step by Step Solution

1. Step 1: Write the proportion equation
   3,124,644 : 4,869,672 = 4,869,672 : x
2. Step 2: Convert to fraction form
   3,124,644/4,869,672 = 4,869,672/x
3. Step 3: Cross multiply
   3,124,644x = 4,869,672 × 4,869,672
4. Step 4: Simplify right side
   3,124,644x = 23,713,705,387,584
5. Step 5: Solve for x
   x = 23,713,705,387,584/3,124,644
6. Step 6: Final answer
   x = 7,589,250.29