Finding the Third Proportional to 118,705.50 and 250,654.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,705.50 : 250,654.50 = 250,654.50 : x
2. Step 2: Convert to fraction form
   118,705.50/250,654.50 = 250,654.50/x
3. Step 3: Cross multiply
   118,705.50x = 250,654.50 × 250,654.50
4. Step 4: Simplify right side
   118,705.50x = 62,827,678,370.25
5. Step 5: Solve for x
   x = 62,827,678,370.25/118,705.50
6. Step 6: Final answer
   x = 529,273.52