Finding the Third Proportional to 34,721.25 and 51,853.50

Step by Step Solution

1. Step 1: Write the proportion equation
   34,721.25 : 51,853.50 = 51,853.50 : x
2. Step 2: Convert to fraction form
   34,721.25/51,853.50 = 51,853.50/x
3. Step 3: Cross multiply
   34,721.25x = 51,853.50 × 51,853.50
4. Step 4: Simplify right side
   34,721.25x = 2,688,785,462.25
5. Step 5: Solve for x
   x = 2,688,785,462.25/34,721.25
6. Step 6: Final answer
   x = 77,439.19