Finding the Third Proportional to 5,145,466 and 7,055,406

Step by Step Solution

1. Step 1: Write the proportion equation
   5,145,466 : 7,055,406 = 7,055,406 : x
2. Step 2: Convert to fraction form
   5,145,466/7,055,406 = 7,055,406/x
3. Step 3: Cross multiply
   5,145,466x = 7,055,406 × 7,055,406
4. Step 4: Simplify right side
   5,145,466x = 49,778,753,824,836
5. Step 5: Solve for x
   x = 49,778,753,824,836/5,145,466
6. Step 6: Final answer
   x = 9,674,294.58