Finding the Third Proportional to 5,324,188 and 7,983,678

Step by Step Solution

1. Step 1: Write the proportion equation
   5,324,188 : 7,983,678 = 7,983,678 : x
2. Step 2: Convert to fraction form
   5,324,188/7,983,678 = 7,983,678/x
3. Step 3: Cross multiply
   5,324,188x = 7,983,678 × 7,983,678
4. Step 4: Simplify right side
   5,324,188x = 63,739,114,407,684
5. Step 5: Solve for x
   x = 63,739,114,407,684/5,324,188
6. Step 6: Final answer
   x = 11,971,612.27