Finding the Third Proportional to 387,104 and 598,144

Step by Step Solution

1. Step 1: Write the proportion equation
   387,104 : 598,144 = 598,144 : x
2. Step 2: Convert to fraction form
   387,104/598,144 = 598,144/x
3. Step 3: Cross multiply
   387,104x = 598,144 × 598,144
4. Step 4: Simplify right side
   387,104x = 357,776,244,736
5. Step 5: Solve for x
   x = 357,776,244,736/387,104
6. Step 6: Final answer
   x = 924,238.05