Finding the Third Proportional to 116,782.50 and 235,615.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,782.50 : 235,615.50 = 235,615.50 : x
2. Step 2: Convert to fraction form
   116,782.50/235,615.50 = 235,615.50/x
3. Step 3: Cross multiply
   116,782.50x = 235,615.50 × 235,615.50
4. Step 4: Simplify right side
   116,782.50x = 55,514,663,840.25
5. Step 5: Solve for x
   x = 55,514,663,840.25/116,782.50
6. Step 6: Final answer
   x = 475,368.00