Finding the Third Proportional to 242,129 and 562,662

Step by Step Solution

1. Step 1: Write the proportion equation
   242,129 : 562,662 = 562,662 : x
2. Step 2: Convert to fraction form
   242,129/562,662 = 562,662/x
3. Step 3: Cross multiply
   242,129x = 562,662 × 562,662
4. Step 4: Simplify right side
   242,129x = 316,588,526,244
5. Step 5: Solve for x
   x = 316,588,526,244/242,129
6. Step 6: Final answer
   x = 1,307,520.07