Finding the Third Proportional to 2,686,648.50 and 5,676,540.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,686,648.50 : 5,676,540.75 = 5,676,540.75 : x
2. Step 2: Convert to fraction form
   2,686,648.50/5,676,540.75 = 5,676,540.75/x
3. Step 3: Cross multiply
   2,686,648.50x = 5,676,540.75 × 5,676,540.75
4. Step 4: Simplify right side
   2,686,648.50x = 32,223,114,886,410.56
5. Step 5: Solve for x
   x = 32,223,114,886,410.56/2,686,648.50
6. Step 6: Final answer
   x = 11,993,796.32