Finding the Third Proportional to 117,116 and 253,900

Step by Step Solution

1. Step 1: Write the proportion equation
   117,116 : 253,900 = 253,900 : x
2. Step 2: Convert to fraction form
   117,116/253,900 = 253,900/x
3. Step 3: Cross multiply
   117,116x = 253,900 × 253,900
4. Step 4: Simplify right side
   117,116x = 64,465,210,000
5. Step 5: Solve for x
   x = 64,465,210,000/117,116
6. Step 6: Final answer
   x = 550,438.97