Finding the Third Proportional to 154,642.50 and 334,557

Step by Step Solution

1. Step 1: Write the proportion equation
   154,642.50 : 334,557 = 334,557 : x
2. Step 2: Convert to fraction form
   154,642.50/334,557 = 334,557/x
3. Step 3: Cross multiply
   154,642.50x = 334,557 × 334,557
4. Step 4: Simplify right side
   154,642.50x = 111,928,386,249
5. Step 5: Solve for x
   x = 111,928,386,249/154,642.50
6. Step 6: Final answer
   x = 723,788.00