Finding the Third Proportional to 3,748,825,849 and 7,807,939,809

Step by Step Solution

1. Step 1: Write the proportion equation
   3,748,825,849 : 7,807,939,809 = 7,807,939,809 : x
2. Step 2: Convert to fraction form
   3,748,825,849/7,807,939,809 = 7,807,939,809/x
3. Step 3: Cross multiply
   3,748,825,849x = 7,807,939,809 × 7,807,939,809
4. Step 4: Simplify right side
   3,748,825,849x = 60,963,924,060,966,952,960
5. Step 5: Solve for x
   x = 60,963,924,060,966,952,960/3,748,825,849
6. Step 6: Final answer
   x = 16,262,138,204.48