Finding the Third Proportional to 312,195 and 736,135.50

Step by Step Solution

1. Step 1: Write the proportion equation
   312,195 : 736,135.50 = 736,135.50 : x
2. Step 2: Convert to fraction form
   312,195/736,135.50 = 736,135.50/x
3. Step 3: Cross multiply
   312,195x = 736,135.50 × 736,135.50
4. Step 4: Simplify right side
   312,195x = 541,895,474,360.25
5. Step 5: Solve for x
   x = 541,895,474,360.25/312,195
6. Step 6: Final answer
   x = 1,735,759.62