Finding the Third Proportional to 3,143,961 and 4,869,558

Step by Step Solution

1. Step 1: Write the proportion equation
   3,143,961 : 4,869,558 = 4,869,558 : x
2. Step 2: Convert to fraction form
   3,143,961/4,869,558 = 4,869,558/x
3. Step 3: Cross multiply
   3,143,961x = 4,869,558 × 4,869,558
4. Step 4: Simplify right side
   3,143,961x = 23,712,595,115,364
5. Step 5: Solve for x
   x = 23,712,595,115,364/3,143,961
6. Step 6: Final answer
   x = 7,542,267.58