Finding the Third Proportional to 116,146.50 and 254,424

Step by Step Solution

1. Step 1: Write the proportion equation
   116,146.50 : 254,424 = 254,424 : x
2. Step 2: Convert to fraction form
   116,146.50/254,424 = 254,424/x
3. Step 3: Cross multiply
   116,146.50x = 254,424 × 254,424
4. Step 4: Simplify right side
   116,146.50x = 64,731,571,776
5. Step 5: Solve for x
   x = 64,731,571,776/116,146.50
6. Step 6: Final answer
   x = 557,326.93