Finding the Third Proportional to 117,362 and 253,429

Step by Step Solution

1. Step 1: Write the proportion equation
   117,362 : 253,429 = 253,429 : x
2. Step 2: Convert to fraction form
   117,362/253,429 = 253,429/x
3. Step 3: Cross multiply
   117,362x = 253,429 × 253,429
4. Step 4: Simplify right side
   117,362x = 64,226,258,041
5. Step 5: Solve for x
   x = 64,226,258,041/117,362
6. Step 6: Final answer
   x = 547,249.18