Finding the Third Proportional to 40,604.63 and 55,316.25

Step by Step Solution

1. Step 1: Write the proportion equation
   40,604.63 : 55,316.25 = 55,316.25 : x
2. Step 2: Convert to fraction form
   40,604.63/55,316.25 = 55,316.25/x
3. Step 3: Cross multiply
   40,604.63x = 55,316.25 × 55,316.25
4. Step 4: Simplify right side
   40,604.63x = 3,059,887,514.06
5. Step 5: Solve for x
   x = 3,059,887,514.06/40,604.63
6. Step 6: Final answer
   x = 75,358.10