Finding the Third Proportional to 386,274 and 596,920.50

Step by Step Solution

1. Step 1: Write the proportion equation
   386,274 : 596,920.50 = 596,920.50 : x
2. Step 2: Convert to fraction form
   386,274/596,920.50 = 596,920.50/x
3. Step 3: Cross multiply
   386,274x = 596,920.50 × 596,920.50
4. Step 4: Simplify right side
   386,274x = 356,314,083,320.25
5. Step 5: Solve for x
   x = 356,314,083,320.25/386,274
6. Step 6: Final answer
   x = 922,438.69