Finding the Third Proportional to 19,414,828 and 42,129,800

Step by Step Solution

1. Step 1: Write the proportion equation
   19,414,828 : 42,129,800 = 42,129,800 : x
2. Step 2: Convert to fraction form
   19,414,828/42,129,800 = 42,129,800/x
3. Step 3: Cross multiply
   19,414,828x = 42,129,800 × 42,129,800
4. Step 4: Simplify right side
   19,414,828x = 1,774,920,048,040,000
5. Step 5: Solve for x
   x = 1,774,920,048,040,000/19,414,828
6. Step 6: Final answer
   x = 91,420,848.44