Finding the Third Proportional to 31,561.52 and 67,556.37

Step by Step Solution

1. Step 1: Write the proportion equation
   31,561.52 : 67,556.37 = 67,556.37 : x
2. Step 2: Convert to fraction form
   31,561.52/67,556.37 = 67,556.37/x
3. Step 3: Cross multiply
   31,561.52x = 67,556.37 × 67,556.37
4. Step 4: Simplify right side
   31,561.52x = 4,563,863,539.25
5. Step 5: Solve for x
   x = 4,563,863,539.25/31,561.52
6. Step 6: Final answer
   x = 144,602.13