Finding the Third Proportional to 215,464 and 473,264

Step by Step Solution

1. Step 1: Write the proportion equation
   215,464 : 473,264 = 473,264 : x
2. Step 2: Convert to fraction form
   215,464/473,264 = 473,264/x
3. Step 3: Cross multiply
   215,464x = 473,264 × 473,264
4. Step 4: Simplify right side
   215,464x = 223,978,813,696
5. Step 5: Solve for x
   x = 223,978,813,696/215,464
6. Step 6: Final answer
   x = 1,039,518.50