Finding the Third Proportional to 5,354,793 and 8,157,690

Step by Step Solution

1. Step 1: Write the proportion equation
   5,354,793 : 8,157,690 = 8,157,690 : x
2. Step 2: Convert to fraction form
   5,354,793/8,157,690 = 8,157,690/x
3. Step 3: Cross multiply
   5,354,793x = 8,157,690 × 8,157,690
4. Step 4: Simplify right side
   5,354,793x = 66,547,906,136,100
5. Step 5: Solve for x
   x = 66,547,906,136,100/5,354,793
6. Step 6: Final answer
   x = 12,427,727.11