Finding the Third Proportional to 31,449 and 46,747.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,449 : 46,747.50 = 46,747.50 : x
2. Step 2: Convert to fraction form
   31,449/46,747.50 = 46,747.50/x
3. Step 3: Cross multiply
   31,449x = 46,747.50 × 46,747.50
4. Step 4: Simplify right side
   31,449x = 2,185,328,756.25
5. Step 5: Solve for x
   x = 2,185,328,756.25/31,449
6. Step 6: Final answer
   x = 69,488.02