Finding the Third Proportional to 4,851,633,160.69 and 7,258,055,391.28

Step by Step Solution

1. Step 1: Write the proportion equation
   4,851,633,160.69 : 7,258,055,391.28 = 7,258,055,391.28 : x
2. Step 2: Convert to fraction form
   4,851,633,160.69/7,258,055,391.28 = 7,258,055,391.28/x
3. Step 3: Cross multiply
   4,851,633,160.69x = 7,258,055,391.28 × 7,258,055,391.28
4. Step 4: Simplify right side
   4,851,633,160.69x = 52,679,368,062,903,189,504
5. Step 5: Solve for x
   x = 52,679,368,062,903,189,504/4,851,633,160.69
6. Step 6: Final answer
   x = 10,858,069,090.99