Finding the Third Proportional to 312,246 and 736,854.75

Step by Step Solution

1. Step 1: Write the proportion equation
   312,246 : 736,854.75 = 736,854.75 : x
2. Step 2: Convert to fraction form
   312,246/736,854.75 = 736,854.75/x
3. Step 3: Cross multiply
   312,246x = 736,854.75 × 736,854.75
4. Step 4: Simplify right side
   312,246x = 542,954,922,597.56
5. Step 5: Solve for x
   x = 542,954,922,597.56/312,246
6. Step 6: Final answer
   x = 1,738,869.11