Finding the Third Proportional to 19,928,016 and 42,912,360

Step by Step Solution

1. Step 1: Write the proportion equation
   19,928,016 : 42,912,360 = 42,912,360 : x
2. Step 2: Convert to fraction form
   19,928,016/42,912,360 = 42,912,360/x
3. Step 3: Cross multiply
   19,928,016x = 42,912,360 × 42,912,360
4. Step 4: Simplify right side
   19,928,016x = 1,841,470,640,769,600
5. Step 5: Solve for x
   x = 1,841,470,640,769,600/19,928,016
6. Step 6: Final answer
   x = 92,406,120.15