Finding the Third Proportional to 194,487 and 284,278.50

Step by Step Solution

1. Step 1: Write the proportion equation
   194,487 : 284,278.50 = 284,278.50 : x
2. Step 2: Convert to fraction form
   194,487/284,278.50 = 284,278.50/x
3. Step 3: Cross multiply
   194,487x = 284,278.50 × 284,278.50
4. Step 4: Simplify right side
   194,487x = 80,814,265,562.25
5. Step 5: Solve for x
   x = 80,814,265,562.25/194,487
6. Step 6: Final answer
   x = 415,525.28