Finding the Third Proportional to 111,294 and 262,460.25

Step by Step Solution

1. Step 1: Write the proportion equation
   111,294 : 262,460.25 = 262,460.25 : x
2. Step 2: Convert to fraction form
   111,294/262,460.25 = 262,460.25/x
3. Step 3: Cross multiply
   111,294x = 262,460.25 × 262,460.25
4. Step 4: Simplify right side
   111,294x = 68,885,382,830.06
5. Step 5: Solve for x
   x = 68,885,382,830.06/111,294
6. Step 6: Final answer
   x = 618,949.65