Finding the Third Proportional to 21,865.50 and 34,374.94

Step by Step Solution

1. Step 1: Write the proportion equation
   21,865.50 : 34,374.94 = 34,374.94 : x
2. Step 2: Convert to fraction form
   21,865.50/34,374.94 = 34,374.94/x
3. Step 3: Cross multiply
   21,865.50x = 34,374.94 × 34,374.94
4. Step 4: Simplify right side
   21,865.50x = 1,181,636,328.13
5. Step 5: Solve for x
   x = 1,181,636,328.13/21,865.50
6. Step 6: Final answer
   x = 54,041.13