Finding the Third Proportional to 2,878,040 and 4,157,940

Step by Step Solution

1. Step 1: Write the proportion equation
   2,878,040 : 4,157,940 = 4,157,940 : x
2. Step 2: Convert to fraction form
   2,878,040/4,157,940 = 4,157,940/x
3. Step 3: Cross multiply
   2,878,040x = 4,157,940 × 4,157,940
4. Step 4: Simplify right side
   2,878,040x = 17,288,465,043,600
5. Step 5: Solve for x
   x = 17,288,465,043,600/2,878,040
6. Step 6: Final answer
   x = 6,007,027.37