Finding the Third Proportional to 37,643.63 and 55,425.38

Step by Step Solution

1. Step 1: Write the proportion equation
   37,643.63 : 55,425.38 = 55,425.38 : x
2. Step 2: Convert to fraction form
   37,643.63/55,425.38 = 55,425.38/x
3. Step 3: Cross multiply
   37,643.63x = 55,425.38 × 55,425.38
4. Step 4: Simplify right side
   37,643.63x = 3,071,972,193.89
5. Step 5: Solve for x
   x = 3,071,972,193.89/37,643.63
6. Step 6: Final answer
   x = 81,606.70