Finding the Third Proportional to 158,658 and 346,255.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,658 : 346,255.50 = 346,255.50 : x
2. Step 2: Convert to fraction form
   158,658/346,255.50 = 346,255.50/x
3. Step 3: Cross multiply
   158,658x = 346,255.50 × 346,255.50
4. Step 4: Simplify right side
   158,658x = 119,892,871,280.25
5. Step 5: Solve for x
   x = 119,892,871,280.25/158,658
6. Step 6: Final answer
   x = 755,668.62