Finding the Third Proportional to 7,207,396 and 9,707,872

Step by Step Solution

1. Step 1: Write the proportion equation
   7,207,396 : 9,707,872 = 9,707,872 : x
2. Step 2: Convert to fraction form
   7,207,396/9,707,872 = 9,707,872/x
3. Step 3: Cross multiply
   7,207,396x = 9,707,872 × 9,707,872
4. Step 4: Simplify right side
   7,207,396x = 94,242,778,768,384
5. Step 5: Solve for x
   x = 94,242,778,768,384/7,207,396
6. Step 6: Final answer
   x = 13,075,843.03