Finding the Third Proportional to 2,656,464 and 3,985,272

Step by Step Solution

1. Step 1: Write the proportion equation
   2,656,464 : 3,985,272 = 3,985,272 : x
2. Step 2: Convert to fraction form
   2,656,464/3,985,272 = 3,985,272/x
3. Step 3: Cross multiply
   2,656,464x = 3,985,272 × 3,985,272
4. Step 4: Simplify right side
   2,656,464x = 15,882,392,913,984
5. Step 5: Solve for x
   x = 15,882,392,913,984/2,656,464
6. Step 6: Final answer
   x = 5,978,772.12