Finding the Third Proportional to 182,491.50 and 390,204

Step by Step Solution

1. Step 1: Write the proportion equation
   182,491.50 : 390,204 = 390,204 : x
2. Step 2: Convert to fraction form
   182,491.50/390,204 = 390,204/x
3. Step 3: Cross multiply
   182,491.50x = 390,204 × 390,204
4. Step 4: Simplify right side
   182,491.50x = 152,259,161,616
5. Step 5: Solve for x
   x = 152,259,161,616/182,491.50
6. Step 6: Final answer
   x = 834,335.64