Finding the Third Proportional to 208,036 and 425,931

Step by Step Solution

1. Step 1: Write the proportion equation
   208,036 : 425,931 = 425,931 : x
2. Step 2: Convert to fraction form
   208,036/425,931 = 425,931/x
3. Step 3: Cross multiply
   208,036x = 425,931 × 425,931
4. Step 4: Simplify right side
   208,036x = 181,417,216,761
5. Step 5: Solve for x
   x = 181,417,216,761/208,036
6. Step 6: Final answer
   x = 872,047.23