Finding the Third Proportional to 31,053 and 67,507.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,053 : 67,507.50 = 67,507.50 : x
2. Step 2: Convert to fraction form
   31,053/67,507.50 = 67,507.50/x
3. Step 3: Cross multiply
   31,053x = 67,507.50 × 67,507.50
4. Step 4: Simplify right side
   31,053x = 4,557,262,556.25
5. Step 5: Solve for x
   x = 4,557,262,556.25/31,053
6. Step 6: Final answer
   x = 146,757.56