Finding the Third Proportional to 116,160 and 254,454

Step by Step Solution

1. Step 1: Write the proportion equation
   116,160 : 254,454 = 254,454 : x
2. Step 2: Convert to fraction form
   116,160/254,454 = 254,454/x
3. Step 3: Cross multiply
   116,160x = 254,454 × 254,454
4. Step 4: Simplify right side
   116,160x = 64,746,838,116
5. Step 5: Solve for x
   x = 64,746,838,116/116,160
6. Step 6: Final answer
   x = 557,393.58