Finding the Third Proportional to 1,918,518 and 4,144,424

Step by Step Solution

1. Step 1: Write the proportion equation
   1,918,518 : 4,144,424 = 4,144,424 : x
2. Step 2: Convert to fraction form
   1,918,518/4,144,424 = 4,144,424/x
3. Step 3: Cross multiply
   1,918,518x = 4,144,424 × 4,144,424
4. Step 4: Simplify right side
   1,918,518x = 17,176,250,291,776
5. Step 5: Solve for x
   x = 17,176,250,291,776/1,918,518
6. Step 6: Final answer
   x = 8,952,874.19