Finding the Third Proportional to 207,967.50 and 425,772

Step by Step Solution

1. Step 1: Write the proportion equation
   207,967.50 : 425,772 = 425,772 : x
2. Step 2: Convert to fraction form
   207,967.50/425,772 = 425,772/x
3. Step 3: Cross multiply
   207,967.50x = 425,772 × 425,772
4. Step 4: Simplify right side
   207,967.50x = 181,281,795,984
5. Step 5: Solve for x
   x = 181,281,795,984/207,967.50
6. Step 6: Final answer
   x = 871,683.30