Finding the Third Proportional to 215,516.50 and 468,338

Step by Step Solution

1. Step 1: Write the proportion equation
   215,516.50 : 468,338 = 468,338 : x
2. Step 2: Convert to fraction form
   215,516.50/468,338 = 468,338/x
3. Step 3: Cross multiply
   215,516.50x = 468,338 × 468,338
4. Step 4: Simplify right side
   215,516.50x = 219,340,482,244
5. Step 5: Solve for x
   x = 219,340,482,244/215,516.50
6. Step 6: Final answer
   x = 1,017,743.34