Finding the Third Proportional to 7,207,387 and 9,707,860

Step by Step Solution

1. Step 1: Write the proportion equation
   7,207,387 : 9,707,860 = 9,707,860 : x
2. Step 2: Convert to fraction form
   7,207,387/9,707,860 = 9,707,860/x
3. Step 3: Cross multiply
   7,207,387x = 9,707,860 × 9,707,860
4. Step 4: Simplify right side
   7,207,387x = 94,242,545,779,600
5. Step 5: Solve for x
   x = 94,242,545,779,600/7,207,387
6. Step 6: Final answer
   x = 13,075,827.03