Finding the Third Proportional to 115,853.50 and 253,850

Step by Step Solution

1. Step 1: Write the proportion equation
   115,853.50 : 253,850 = 253,850 : x
2. Step 2: Convert to fraction form
   115,853.50/253,850 = 253,850/x
3. Step 3: Cross multiply
   115,853.50x = 253,850 × 253,850
4. Step 4: Simplify right side
   115,853.50x = 64,439,822,500
5. Step 5: Solve for x
   x = 64,439,822,500/115,853.50
6. Step 6: Final answer
   x = 556,218.18