Finding the Third Proportional to 5,055,885 and 7,153,921

Step by Step Solution

1. Step 1: Write the proportion equation
   5,055,885 : 7,153,921 = 7,153,921 : x
2. Step 2: Convert to fraction form
   5,055,885/7,153,921 = 7,153,921/x
3. Step 3: Cross multiply
   5,055,885x = 7,153,921 × 7,153,921
4. Step 4: Simplify right side
   5,055,885x = 51,178,585,674,241
5. Step 5: Solve for x
   x = 51,178,585,674,241/5,055,885
6. Step 6: Final answer
   x = 10,122,577.09