Finding the Third Proportional to 37,438.88 and 81,438.38

Step by Step Solution

1. Step 1: Write the proportion equation
   37,438.88 : 81,438.38 = 81,438.38 : x
2. Step 2: Convert to fraction form
   37,438.88/81,438.38 = 81,438.38/x
3. Step 3: Cross multiply
   37,438.88x = 81,438.38 × 81,438.38
4. Step 4: Simplify right side
   37,438.88x = 6,632,208,922.64
5. Step 5: Solve for x
   x = 6,632,208,922.64/37,438.88
6. Step 6: Final answer
   x = 177,147.66