Finding the Third Proportional to 5,141,756,474 and 7,240,726,150

Step by Step Solution

1. Step 1: Write the proportion equation
   5,141,756,474 : 7,240,726,150 = 7,240,726,150 : x
2. Step 2: Convert to fraction form
   5,141,756,474/7,240,726,150 = 7,240,726,150/x
3. Step 3: Cross multiply
   5,141,756,474x = 7,240,726,150 × 7,240,726,150
4. Step 4: Simplify right side
   5,141,756,474x = 52,428,115,179,293,818,880
5. Step 5: Solve for x
   x = 52,428,115,179,293,818,880/5,141,756,474
6. Step 6: Final answer
   x = 10,196,537,981.60