Finding the Third Proportional to 16,135.31 and 34,742.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,135.31 : 34,742.81 = 34,742.81 : x
2. Step 2: Convert to fraction form
   16,135.31/34,742.81 = 34,742.81/x
3. Step 3: Cross multiply
   16,135.31x = 34,742.81 × 34,742.81
4. Step 4: Simplify right side
   16,135.31x = 1,207,063,020.41
5. Step 5: Solve for x
   x = 1,207,063,020.41/16,135.31
6. Step 6: Final answer
   x = 74,808.78