Finding the Third Proportional to 186,504.50 and 402,493

Step by Step Solution

1. Step 1: Write the proportion equation
   186,504.50 : 402,493 = 402,493 : x
2. Step 2: Convert to fraction form
   186,504.50/402,493 = 402,493/x
3. Step 3: Cross multiply
   186,504.50x = 402,493 × 402,493
4. Step 4: Simplify right side
   186,504.50x = 162,000,615,049
5. Step 5: Solve for x
   x = 162,000,615,049/186,504.50
6. Step 6: Final answer
   x = 868,615.05