Finding the Third Proportional to 3,754,863,270 and 7,818,736,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,754,863,270 : 7,818,736,018.50 = 7,818,736,018.50 : x
2. Step 2: Convert to fraction form
   3,754,863,270/7,818,736,018.50 = 7,818,736,018.50/x
3. Step 3: Cross multiply
   3,754,863,270x = 7,818,736,018.50 × 7,818,736,018.50
4. Step 4: Simplify right side
   3,754,863,270x = 61,132,632,926,989,230,080
5. Step 5: Solve for x
   x = 61,132,632,926,989,230,080/3,754,863,270
6. Step 6: Final answer
   x = 16,280,921,176.39