Finding the Third Proportional to 6,343,920 and 9,043,488

Step by Step Solution

1. Step 1: Write the proportion equation
   6,343,920 : 9,043,488 = 9,043,488 : x
2. Step 2: Convert to fraction form
   6,343,920/9,043,488 = 9,043,488/x
3. Step 3: Cross multiply
   6,343,920x = 9,043,488 × 9,043,488
4. Step 4: Simplify right side
   6,343,920x = 81,784,675,206,144
5. Step 5: Solve for x
   x = 81,784,675,206,144/6,343,920
6. Step 6: Final answer
   x = 12,891,820.07