Finding the Third Proportional to 3,614,280 and 7,858,128

Step by Step Solution

1. Step 1: Write the proportion equation
   3,614,280 : 7,858,128 = 7,858,128 : x
2. Step 2: Convert to fraction form
   3,614,280/7,858,128 = 7,858,128/x
3. Step 3: Cross multiply
   3,614,280x = 7,858,128 × 7,858,128
4. Step 4: Simplify right side
   3,614,280x = 61,750,175,664,384
5. Step 5: Solve for x
   x = 61,750,175,664,384/3,614,280
6. Step 6: Final answer
   x = 17,085,055.85