Finding the Third Proportional to 42,968,923 and 68,151,380

Step by Step Solution

1. Step 1: Write the proportion equation
   42,968,923 : 68,151,380 = 68,151,380 : x
2. Step 2: Convert to fraction form
   42,968,923/68,151,380 = 68,151,380/x
3. Step 3: Cross multiply
   42,968,923x = 68,151,380 × 68,151,380
4. Step 4: Simplify right side
   42,968,923x = 4,644,610,595,904,400
5. Step 5: Solve for x
   x = 4,644,610,595,904,400/42,968,923
6. Step 6: Final answer
   x = 108,092,320.49