Finding the Third Proportional to 21,530.81 and 34,371.84

Step by Step Solution

1. Step 1: Write the proportion equation
   21,530.81 : 34,371.84 = 34,371.84 : x
2. Step 2: Convert to fraction form
   21,530.81/34,371.84 = 34,371.84/x
3. Step 3: Cross multiply
   21,530.81x = 34,371.84 × 34,371.84
4. Step 4: Simplify right side
   21,530.81x = 1,181,423,642.77
5. Step 5: Solve for x
   x = 1,181,423,642.77/21,530.81
6. Step 6: Final answer
   x = 54,871.30