Finding the Third Proportional to 1,918,498 and 4,144,392

Step by Step Solution

1. Step 1: Write the proportion equation
   1,918,498 : 4,144,392 = 4,144,392 : x
2. Step 2: Convert to fraction form
   1,918,498/4,144,392 = 4,144,392/x
3. Step 3: Cross multiply
   1,918,498x = 4,144,392 × 4,144,392
4. Step 4: Simplify right side
   1,918,498x = 17,175,985,049,664
5. Step 5: Solve for x
   x = 17,175,985,049,664/1,918,498
6. Step 6: Final answer
   x = 8,952,829.27