Finding the Third Proportional to 5,690,664 and 8,536,212

Step by Step Solution

1. Step 1: Write the proportion equation
   5,690,664 : 8,536,212 = 8,536,212 : x
2. Step 2: Convert to fraction form
   5,690,664/8,536,212 = 8,536,212/x
3. Step 3: Cross multiply
   5,690,664x = 8,536,212 × 8,536,212
4. Step 4: Simplify right side
   5,690,664x = 72,866,915,308,944
5. Step 5: Solve for x
   x = 72,866,915,308,944/5,690,664
6. Step 6: Final answer
   x = 12,804,642.01