Finding the Third Proportional to 7,227,878 and 9,911,376

Step by Step Solution

1. Step 1: Write the proportion equation
   7,227,878 : 9,911,376 = 9,911,376 : x
2. Step 2: Convert to fraction form
   7,227,878/9,911,376 = 9,911,376/x
3. Step 3: Cross multiply
   7,227,878x = 9,911,376 × 9,911,376
4. Step 4: Simplify right side
   7,227,878x = 98,235,374,213,376
5. Step 5: Solve for x
   x = 98,235,374,213,376/7,227,878
6. Step 6: Final answer
   x = 13,591,177.69