Finding the Third Proportional to 2,872,490 and 4,253,272

Step by Step Solution

1. Step 1: Write the proportion equation
   2,872,490 : 4,253,272 = 4,253,272 : x
2. Step 2: Convert to fraction form
   2,872,490/4,253,272 = 4,253,272/x
3. Step 3: Cross multiply
   2,872,490x = 4,253,272 × 4,253,272
4. Step 4: Simplify right side
   2,872,490x = 18,090,322,705,984
5. Step 5: Solve for x
   x = 18,090,322,705,984/2,872,490
6. Step 6: Final answer
   x = 6,297,784.40