Finding the Third Proportional to 7,231,200 and 9,915,570

Step by Step Solution

1. Step 1: Write the proportion equation
   7,231,200 : 9,915,570 = 9,915,570 : x
2. Step 2: Convert to fraction form
   7,231,200/9,915,570 = 9,915,570/x
3. Step 3: Cross multiply
   7,231,200x = 9,915,570 × 9,915,570
4. Step 4: Simplify right side
   7,231,200x = 98,318,528,424,900
5. Step 5: Solve for x
   x = 98,318,528,424,900/7,231,200
6. Step 6: Final answer
   x = 13,596,433.29