Finding the Third Proportional to 28,305,648 and 42,414,020

Step by Step Solution

1. Step 1: Write the proportion equation
   28,305,648 : 42,414,020 = 42,414,020 : x
2. Step 2: Convert to fraction form
   28,305,648/42,414,020 = 42,414,020/x
3. Step 3: Cross multiply
   28,305,648x = 42,414,020 × 42,414,020
4. Step 4: Simplify right side
   28,305,648x = 1,798,949,092,560,400
5. Step 5: Solve for x
   x = 1,798,949,092,560,400/28,305,648
6. Step 6: Final answer
   x = 63,554,421.81