Finding the Third Proportional to 242,131 and 562,667

Step by Step Solution

1. Step 1: Write the proportion equation
   242,131 : 562,667 = 562,667 : x
2. Step 2: Convert to fraction form
   242,131/562,667 = 562,667/x
3. Step 3: Cross multiply
   242,131x = 562,667 × 562,667
4. Step 4: Simplify right side
   242,131x = 316,594,152,889
5. Step 5: Solve for x
   x = 316,594,152,889/242,131
6. Step 6: Final answer
   x = 1,307,532.50