Finding the Third Proportional to 7,209,012 and 10,078,686

Step by Step Solution

1. Step 1: Write the proportion equation
   7,209,012 : 10,078,686 = 10,078,686 : x
2. Step 2: Convert to fraction form
   7,209,012/10,078,686 = 10,078,686/x
3. Step 3: Cross multiply
   7,209,012x = 10,078,686 × 10,078,686
4. Step 4: Simplify right side
   7,209,012x = 101,579,911,486,596
5. Step 5: Solve for x
   x = 101,579,911,486,596/7,209,012
6. Step 6: Final answer
   x = 14,090,684.20