Finding the Third Proportional to 191,364.75 and 415,980

Step by Step Solution

1. Step 1: Write the proportion equation
   191,364.75 : 415,980 = 415,980 : x
2. Step 2: Convert to fraction form
   191,364.75/415,980 = 415,980/x
3. Step 3: Cross multiply
   191,364.75x = 415,980 × 415,980
4. Step 4: Simplify right side
   191,364.75x = 173,039,360,400
5. Step 5: Solve for x
   x = 173,039,360,400/191,364.75
6. Step 6: Final answer
   x = 904,238.43