Finding the Third Proportional to 207,955 and 425,746.50

Step by Step Solution

1. Step 1: Write the proportion equation
   207,955 : 425,746.50 = 425,746.50 : x
2. Step 2: Convert to fraction form
   207,955/425,746.50 = 425,746.50/x
3. Step 3: Cross multiply
   207,955x = 425,746.50 × 425,746.50
4. Step 4: Simplify right side
   207,955x = 181,260,082,262.25
5. Step 5: Solve for x
   x = 181,260,082,262.25/207,955
6. Step 6: Final answer
   x = 871,631.28