Finding the Third Proportional to 238,642.50 and 514,629

Step by Step Solution

1. Step 1: Write the proportion equation
   238,642.50 : 514,629 = 514,629 : x
2. Step 2: Convert to fraction form
   238,642.50/514,629 = 514,629/x
3. Step 3: Cross multiply
   238,642.50x = 514,629 × 514,629
4. Step 4: Simplify right side
   238,642.50x = 264,843,007,641
5. Step 5: Solve for x
   x = 264,843,007,641/238,642.50
6. Step 6: Final answer
   x = 1,109,789.78