Finding the Third Proportional to 208,251 and 456,278.06

Step by Step Solution

1. Step 1: Write the proportion equation
   208,251 : 456,278.06 = 456,278.06 : x
2. Step 2: Convert to fraction form
   208,251/456,278.06 = 456,278.06/x
3. Step 3: Cross multiply
   208,251x = 456,278.06 × 456,278.06
4. Step 4: Simplify right side
   208,251x = 208,189,670,318.75
5. Step 5: Solve for x
   x = 208,189,670,318.75/208,251
6. Step 6: Final answer
   x = 999,705.50