Finding the Third Proportional to 154,445 and 333,872.50

Step by Step Solution

1. Step 1: Write the proportion equation
   154,445 : 333,872.50 = 333,872.50 : x
2. Step 2: Convert to fraction form
   154,445/333,872.50 = 333,872.50/x
3. Step 3: Cross multiply
   154,445x = 333,872.50 × 333,872.50
4. Step 4: Simplify right side
   154,445x = 111,470,846,256.25
5. Step 5: Solve for x
   x = 111,470,846,256.25/154,445
6. Step 6: Final answer
   x = 721,751.08