Finding the Third Proportional to 55,649.63 and 131,233.88

Step by Step Solution

1. Step 1: Write the proportion equation
   55,649.63 : 131,233.88 = 131,233.88 : x
2. Step 2: Convert to fraction form
   55,649.63/131,233.88 = 131,233.88/x
3. Step 3: Cross multiply
   55,649.63x = 131,233.88 × 131,233.88
4. Step 4: Simplify right side
   55,649.63x = 17,222,329,947.52
5. Step 5: Solve for x
   x = 17,222,329,947.52/55,649.63
6. Step 6: Final answer
   x = 309,477.92