Finding the Third Proportional to 37,315.69 and 81,317.67

Step by Step Solution

1. Step 1: Write the proportion equation
   37,315.69 : 81,317.67 = 81,317.67 : x
2. Step 2: Convert to fraction form
   37,315.69/81,317.67 = 81,317.67/x
3. Step 3: Cross multiply
   37,315.69x = 81,317.67 × 81,317.67
4. Step 4: Simplify right side
   37,315.69x = 6,612,563,759.17
5. Step 5: Solve for x
   x = 6,612,563,759.17/37,315.69
6. Step 6: Final answer
   x = 177,206.00