Finding the Third Proportional to 168,322.25 and 359,972.50

Step by Step Solution

1. Step 1: Write the proportion equation
   168,322.25 : 359,972.50 = 359,972.50 : x
2. Step 2: Convert to fraction form
   168,322.25/359,972.50 = 359,972.50/x
3. Step 3: Cross multiply
   168,322.25x = 359,972.50 × 359,972.50
4. Step 4: Simplify right side
   168,322.25x = 129,580,200,756.25
5. Step 5: Solve for x
   x = 129,580,200,756.25/168,322.25
6. Step 6: Final answer
   x = 769,834.06