Finding the Third Proportional to 5,135,496 and 7,947,564

Step by Step Solution

1. Step 1: Write the proportion equation
   5,135,496 : 7,947,564 = 7,947,564 : x
2. Step 2: Convert to fraction form
   5,135,496/7,947,564 = 7,947,564/x
3. Step 3: Cross multiply
   5,135,496x = 7,947,564 × 7,947,564
4. Step 4: Simplify right side
   5,135,496x = 63,163,773,534,096
5. Step 5: Solve for x
   x = 63,163,773,534,096/5,135,496
6. Step 6: Final answer
   x = 12,299,449.47