Finding the Third Proportional to 5,543,496 and 8,292,640

Step by Step Solution

1. Step 1: Write the proportion equation
   5,543,496 : 8,292,640 = 8,292,640 : x
2. Step 2: Convert to fraction form
   5,543,496/8,292,640 = 8,292,640/x
3. Step 3: Cross multiply
   5,543,496x = 8,292,640 × 8,292,640
4. Step 4: Simplify right side
   5,543,496x = 68,767,878,169,600
5. Step 5: Solve for x
   x = 68,767,878,169,600/5,543,496
6. Step 6: Final answer
   x = 12,405,146.17