Finding the Third Proportional to 31,126.88 and 46,721.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,126.88 : 46,721.25 = 46,721.25 : x
2. Step 2: Convert to fraction form
   31,126.88/46,721.25 = 46,721.25/x
3. Step 3: Cross multiply
   31,126.88x = 46,721.25 × 46,721.25
4. Step 4: Simplify right side
   31,126.88x = 2,182,875,201.56
5. Step 5: Solve for x
   x = 2,182,875,201.56/31,126.88
6. Step 6: Final answer
   x = 70,128.31