Finding the Third Proportional to 116,899 and 253,724

Step by Step Solution

1. Step 1: Write the proportion equation
   116,899 : 253,724 = 253,724 : x
2. Step 2: Convert to fraction form
   116,899/253,724 = 253,724/x
3. Step 3: Cross multiply
   116,899x = 253,724 × 253,724
4. Step 4: Simplify right side
   116,899x = 64,375,868,176
5. Step 5: Solve for x
   x = 64,375,868,176/116,899
6. Step 6: Final answer
   x = 550,696.48