Finding the Third Proportional to 20,050,435 and 42,978,508

Step by Step Solution

1. Step 1: Write the proportion equation
   20,050,435 : 42,978,508 = 42,978,508 : x
2. Step 2: Convert to fraction form
   20,050,435/42,978,508 = 42,978,508/x
3. Step 3: Cross multiply
   20,050,435x = 42,978,508 × 42,978,508
4. Step 4: Simplify right side
   20,050,435x = 1,847,152,149,906,064
5. Step 5: Solve for x
   x = 1,847,152,149,906,064/20,050,435
6. Step 6: Final answer
   x = 92,125,290.54