Finding the Third Proportional to 33,997,878 and 51,281,451

Step by Step Solution

1. Step 1: Write the proportion equation
   33,997,878 : 51,281,451 = 51,281,451 : x
2. Step 2: Convert to fraction form
   33,997,878/51,281,451 = 51,281,451/x
3. Step 3: Cross multiply
   33,997,878x = 51,281,451 × 51,281,451
4. Step 4: Simplify right side
   33,997,878x = 2,629,787,216,665,401
5. Step 5: Solve for x
   x = 2,629,787,216,665,401/33,997,878
6. Step 6: Final answer
   x = 77,351,510.49