Finding the Third Proportional to 19,519,268 and 42,398,700

Step by Step Solution

1. Step 1: Write the proportion equation
   19,519,268 : 42,398,700 = 42,398,700 : x
2. Step 2: Convert to fraction form
   19,519,268/42,398,700 = 42,398,700/x
3. Step 3: Cross multiply
   19,519,268x = 42,398,700 × 42,398,700
4. Step 4: Simplify right side
   19,519,268x = 1,797,649,761,690,000
5. Step 5: Solve for x
   x = 1,797,649,761,690,000/19,519,268
6. Step 6: Final answer
   x = 92,096,166.81