Finding the Third Proportional to 21,838.50 and 45,085.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,838.50 : 45,085.50 = 45,085.50 : x
2. Step 2: Convert to fraction form
   21,838.50/45,085.50 = 45,085.50/x
3. Step 3: Cross multiply
   21,838.50x = 45,085.50 × 45,085.50
4. Step 4: Simplify right side
   21,838.50x = 2,032,702,310.25
5. Step 5: Solve for x
   x = 2,032,702,310.25/21,838.50
6. Step 6: Final answer
   x = 93,078.84