Finding the Third Proportional to 31,998.38 and 74,756.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,998.38 : 74,756.25 = 74,756.25 : x
2. Step 2: Convert to fraction form
   31,998.38/74,756.25 = 74,756.25/x
3. Step 3: Cross multiply
   31,998.38x = 74,756.25 × 74,756.25
4. Step 4: Simplify right side
   31,998.38x = 5,588,496,914.06
5. Step 5: Solve for x
   x = 5,588,496,914.06/31,998.38
6. Step 6: Final answer
   x = 174,649.40