Finding the Third Proportional to 115,279.88 and 236,300.63

Step by Step Solution

1. Step 1: Write the proportion equation
   115,279.88 : 236,300.63 = 236,300.63 : x
2. Step 2: Convert to fraction form
   115,279.88/236,300.63 = 236,300.63/x
3. Step 3: Cross multiply
   115,279.88x = 236,300.63 × 236,300.63
4. Step 4: Simplify right side
   115,279.88x = 55,837,985,375.39
5. Step 5: Solve for x
   x = 55,837,985,375.39/115,279.88
6. Step 6: Final answer
   x = 484,368.89