Finding the Third Proportional to 37,153.69 and 81,308.81

Step by Step Solution

1. Step 1: Write the proportion equation
   37,153.69 : 81,308.81 = 81,308.81 : x
2. Step 2: Convert to fraction form
   37,153.69/81,308.81 = 81,308.81/x
3. Step 3: Cross multiply
   37,153.69x = 81,308.81 × 81,308.81
4. Step 4: Simplify right side
   37,153.69x = 6,611,122,990.16
5. Step 5: Solve for x
   x = 6,611,122,990.16/37,153.69
6. Step 6: Final answer
   x = 177,939.89