Finding the Third Proportional to 240,061 and 517,338

Step by Step Solution

1. Step 1: Write the proportion equation
   240,061 : 517,338 = 517,338 : x
2. Step 2: Convert to fraction form
   240,061/517,338 = 517,338/x
3. Step 3: Cross multiply
   240,061x = 517,338 × 517,338
4. Step 4: Simplify right side
   240,061x = 267,638,606,244
5. Step 5: Solve for x
   x = 267,638,606,244/240,061
6. Step 6: Final answer
   x = 1,114,877.49