Finding the Third Proportional to 207,974 and 425,803.50

Step by Step Solution

1. Step 1: Write the proportion equation
   207,974 : 425,803.50 = 425,803.50 : x
2. Step 2: Convert to fraction form
   207,974/425,803.50 = 425,803.50/x
3. Step 3: Cross multiply
   207,974x = 425,803.50 × 425,803.50
4. Step 4: Simplify right side
   207,974x = 181,308,620,612.25
5. Step 5: Solve for x
   x = 181,308,620,612.25/207,974
6. Step 6: Final answer
   x = 871,785.03