Finding the Third Proportional to 5,911,542 and 8,909,592

Step by Step Solution

1. Step 1: Write the proportion equation
   5,911,542 : 8,909,592 = 8,909,592 : x
2. Step 2: Convert to fraction form
   5,911,542/8,909,592 = 8,909,592/x
3. Step 3: Cross multiply
   5,911,542x = 8,909,592 × 8,909,592
4. Step 4: Simplify right side
   5,911,542x = 79,380,829,606,464
5. Step 5: Solve for x
   x = 79,380,829,606,464/5,911,542
6. Step 6: Final answer
   x = 13,428,108.88