Finding the Third Proportional to 298,711 and 473,222

Step by Step Solution

1. Step 1: Write the proportion equation
   298,711 : 473,222 = 473,222 : x
2. Step 2: Convert to fraction form
   298,711/473,222 = 473,222/x
3. Step 3: Cross multiply
   298,711x = 473,222 × 473,222
4. Step 4: Simplify right side
   298,711x = 223,939,061,284
5. Step 5: Solve for x
   x = 223,939,061,284/298,711
6. Step 6: Final answer
   x = 749,684.68