Finding the Third Proportional to 156,099.75 and 338,443.88

Step by Step Solution

1. Step 1: Write the proportion equation
   156,099.75 : 338,443.88 = 338,443.88 : x
2. Step 2: Convert to fraction form
   156,099.75/338,443.88 = 338,443.88/x
3. Step 3: Cross multiply
   156,099.75x = 338,443.88 × 338,443.88
4. Step 4: Simplify right side
   156,099.75x = 114,544,256,525.02
5. Step 5: Solve for x
   x = 114,544,256,525.02/156,099.75
6. Step 6: Final answer
   x = 733,788.85