Finding the Third Proportional to 21,980.25 and 34,085.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,980.25 : 34,085.25 = 34,085.25 : x
2. Step 2: Convert to fraction form
   21,980.25/34,085.25 = 34,085.25/x
3. Step 3: Cross multiply
   21,980.25x = 34,085.25 × 34,085.25
4. Step 4: Simplify right side
   21,980.25x = 1,161,804,267.56
5. Step 5: Solve for x
   x = 1,161,804,267.56/21,980.25
6. Step 6: Final answer
   x = 52,856.74