Finding the Third Proportional to 154,716 and 334,690.50

Step by Step Solution

1. Step 1: Write the proportion equation
   154,716 : 334,690.50 = 334,690.50 : x
2. Step 2: Convert to fraction form
   154,716/334,690.50 = 334,690.50/x
3. Step 3: Cross multiply
   154,716x = 334,690.50 × 334,690.50
4. Step 4: Simplify right side
   154,716x = 112,017,730,790.25
5. Step 5: Solve for x
   x = 112,017,730,790.25/154,716
6. Step 6: Final answer
   x = 724,021.63