Finding the Third Proportional to 37,072.69 and 72,307.69

Step by Step Solution

1. Step 1: Write the proportion equation
   37,072.69 : 72,307.69 = 72,307.69 : x
2. Step 2: Convert to fraction form
   37,072.69/72,307.69 = 72,307.69/x
3. Step 3: Cross multiply
   37,072.69x = 72,307.69 × 72,307.69
4. Step 4: Simplify right side
   37,072.69x = 5,228,401,671.60
5. Step 5: Solve for x
   x = 5,228,401,671.60/37,072.69
6. Step 6: Final answer
   x = 141,031.09