Finding the Third Proportional to 215,517.50 and 468,340

Step by Step Solution

1. Step 1: Write the proportion equation
   215,517.50 : 468,340 = 468,340 : x
2. Step 2: Convert to fraction form
   215,517.50/468,340 = 468,340/x
3. Step 3: Cross multiply
   215,517.50x = 468,340 × 468,340
4. Step 4: Simplify right side
   215,517.50x = 219,342,355,600
5. Step 5: Solve for x
   x = 219,342,355,600/215,517.50
6. Step 6: Final answer
   x = 1,017,747.31