Finding the Third Proportional to 35,143.31 and 75,899.81

Step by Step Solution

1. Step 1: Write the proportion equation
   35,143.31 : 75,899.81 = 75,899.81 : x
2. Step 2: Convert to fraction form
   35,143.31/75,899.81 = 75,899.81/x
3. Step 3: Cross multiply
   35,143.31x = 75,899.81 × 75,899.81
4. Step 4: Simplify right side
   35,143.31x = 5,760,781,537.54
5. Step 5: Solve for x
   x = 5,760,781,537.54/35,143.31
6. Step 6: Final answer
   x = 163,922.55