Finding the Third Proportional to 5,346,356 and 8,188,878

Step by Step Solution

1. Step 1: Write the proportion equation
   5,346,356 : 8,188,878 = 8,188,878 : x
2. Step 2: Convert to fraction form
   5,346,356/8,188,878 = 8,188,878/x
3. Step 3: Cross multiply
   5,346,356x = 8,188,878 × 8,188,878
4. Step 4: Simplify right side
   5,346,356x = 67,057,722,898,884
5. Step 5: Solve for x
   x = 67,057,722,898,884/5,346,356
6. Step 6: Final answer
   x = 12,542,696.91