Finding the Third Proportional to 2,435,280 and 3,878,424

Step by Step Solution

1. Step 1: Write the proportion equation
   2,435,280 : 3,878,424 = 3,878,424 : x
2. Step 2: Convert to fraction form
   2,435,280/3,878,424 = 3,878,424/x
3. Step 3: Cross multiply
   2,435,280x = 3,878,424 × 3,878,424
4. Step 4: Simplify right side
   2,435,280x = 15,042,172,723,776
5. Step 5: Solve for x
   x = 15,042,172,723,776/2,435,280
6. Step 6: Final answer
   x = 6,176,773.40