Finding the Third Proportional to 118,670 and 259,222

Step by Step Solution

1. Step 1: Write the proportion equation
   118,670 : 259,222 = 259,222 : x
2. Step 2: Convert to fraction form
   118,670/259,222 = 259,222/x
3. Step 3: Cross multiply
   118,670x = 259,222 × 259,222
4. Step 4: Simplify right side
   118,670x = 67,196,045,284
5. Step 5: Solve for x
   x = 67,196,045,284/118,670
6. Step 6: Final answer
   x = 566,242.90