Finding the Third Proportional to 7,400,243.25 and 17,828,016.75

Step by Step Solution

1. Step 1: Write the proportion equation
   7,400,243.25 : 17,828,016.75 = 17,828,016.75 : x
2. Step 2: Convert to fraction form
   7,400,243.25/17,828,016.75 = 17,828,016.75/x
3. Step 3: Cross multiply
   7,400,243.25x = 17,828,016.75 × 17,828,016.75
4. Step 4: Simplify right side
   7,400,243.25x = 317,838,181,238,280.56
5. Step 5: Solve for x
   x = 317,838,181,238,280.56/7,400,243.25
6. Step 6: Final answer
   x = 42,949,693.75