Finding the Third Proportional to 215,316 and 466,920

Step by Step Solution

1. Step 1: Write the proportion equation
   215,316 : 466,920 = 466,920 : x
2. Step 2: Convert to fraction form
   215,316/466,920 = 466,920/x
3. Step 3: Cross multiply
   215,316x = 466,920 × 466,920
4. Step 4: Simplify right side
   215,316x = 218,014,286,400
5. Step 5: Solve for x
   x = 218,014,286,400/215,316
6. Step 6: Final answer
   x = 1,012,531.75