Finding the Third Proportional to 184,972.50 and 398,018.25

Step by Step Solution

1. Step 1: Write the proportion equation
   184,972.50 : 398,018.25 = 398,018.25 : x
2. Step 2: Convert to fraction form
   184,972.50/398,018.25 = 398,018.25/x
3. Step 3: Cross multiply
   184,972.50x = 398,018.25 × 398,018.25
4. Step 4: Simplify right side
   184,972.50x = 158,418,527,333.06
5. Step 5: Solve for x
   x = 158,418,527,333.06/184,972.50
6. Step 6: Final answer
   x = 856,443.67