Finding the Third Proportional to 5,976,578 and 8,970,987

Step by Step Solution

1. Step 1: Write the proportion equation
   5,976,578 : 8,970,987 = 8,970,987 : x
2. Step 2: Convert to fraction form
   5,976,578/8,970,987 = 8,970,987/x
3. Step 3: Cross multiply
   5,976,578x = 8,970,987 × 8,970,987
4. Step 4: Simplify right side
   5,976,578x = 80,478,607,754,169
5. Step 5: Solve for x
   x = 80,478,607,754,169/5,976,578
6. Step 6: Final answer
   x = 13,465,666.77