Finding the Third Proportional to 184,710 and 398,891.25

Step by Step Solution

1. Step 1: Write the proportion equation
   184,710 : 398,891.25 = 398,891.25 : x
2. Step 2: Convert to fraction form
   184,710/398,891.25 = 398,891.25/x
3. Step 3: Cross multiply
   184,710x = 398,891.25 × 398,891.25
4. Step 4: Simplify right side
   184,710x = 159,114,229,326.56
5. Step 5: Solve for x
   x = 159,114,229,326.56/184,710
6. Step 6: Final answer
   x = 861,427.26