Finding the Third Proportional to 2,872,312 and 4,253,007

Step by Step Solution

1. Step 1: Write the proportion equation
   2,872,312 : 4,253,007 = 4,253,007 : x
2. Step 2: Convert to fraction form
   2,872,312/4,253,007 = 4,253,007/x
3. Step 3: Cross multiply
   2,872,312x = 4,253,007 × 4,253,007
4. Step 4: Simplify right side
   2,872,312x = 18,088,068,542,049
5. Step 5: Solve for x
   x = 18,088,068,542,049/2,872,312
6. Step 6: Final answer
   x = 6,297,389.89