Finding the Third Proportional to 37,810.13 and 81,512.81

Step by Step Solution

1. Step 1: Write the proportion equation
   37,810.13 : 81,512.81 = 81,512.81 : x
2. Step 2: Convert to fraction form
   37,810.13/81,512.81 = 81,512.81/x
3. Step 3: Cross multiply
   37,810.13x = 81,512.81 × 81,512.81
4. Step 4: Simplify right side
   37,810.13x = 6,644,338,601.66
5. Step 5: Solve for x
   x = 6,644,338,601.66/37,810.13
6. Step 6: Final answer
   x = 175,729.08