Finding the Third Proportional to 3,748,825,845.42 and 7,807,939,801.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,748,825,845.42 : 7,807,939,801.17 = 7,807,939,801.17 : x
2. Step 2: Convert to fraction form
   3,748,825,845.42/7,807,939,801.17 = 7,807,939,801.17/x
3. Step 3: Cross multiply
   3,748,825,845.42x = 7,807,939,801.17 × 7,807,939,801.17
4. Step 4: Simplify right side
   3,748,825,845.42x = 60,963,923,938,718,048,256
5. Step 5: Solve for x
   x = 60,963,923,938,718,048,256/3,748,825,845.42
6. Step 6: Final answer
   x = 16,262,138,187.39