Finding the Third Proportional to 194,490.50 and 402,480

Step by Step Solution

1. Step 1: Write the proportion equation
   194,490.50 : 402,480 = 402,480 : x
2. Step 2: Convert to fraction form
   194,490.50/402,480 = 402,480/x
3. Step 3: Cross multiply
   194,490.50x = 402,480 × 402,480
4. Step 4: Simplify right side
   194,490.50x = 161,990,150,400
5. Step 5: Solve for x
   x = 161,990,150,400/194,490.50
6. Step 6: Final answer
   x = 832,894.92