Finding the Third Proportional to 3,144,888 and 4,712,418

Step by Step Solution

1. Step 1: Write the proportion equation
   3,144,888 : 4,712,418 = 4,712,418 : x
2. Step 2: Convert to fraction form
   3,144,888/4,712,418 = 4,712,418/x
3. Step 3: Cross multiply
   3,144,888x = 4,712,418 × 4,712,418
4. Step 4: Simplify right side
   3,144,888x = 22,206,883,406,724
5. Step 5: Solve for x
   x = 22,206,883,406,724/3,144,888
6. Step 6: Final answer
   x = 7,061,263.68