Finding the Third Proportional to 3,465,770 and 7,728,422

Step by Step Solution

1. Step 1: Write the proportion equation
   3,465,770 : 7,728,422 = 7,728,422 : x
2. Step 2: Convert to fraction form
   3,465,770/7,728,422 = 7,728,422/x
3. Step 3: Cross multiply
   3,465,770x = 7,728,422 × 7,728,422
4. Step 4: Simplify right side
   3,465,770x = 59,728,506,610,084
5. Step 5: Solve for x
   x = 59,728,506,610,084/3,465,770
6. Step 6: Final answer
   x = 17,233,834.50