Finding the Third Proportional to 13,780.13 and 21,900.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,780.13 : 21,900.94 = 21,900.94 : x
2. Step 2: Convert to fraction form
   13,780.13/21,900.94 = 21,900.94/x
3. Step 3: Cross multiply
   13,780.13x = 21,900.94 × 21,900.94
4. Step 4: Simplify right side
   13,780.13x = 479,651,063.38
5. Step 5: Solve for x
   x = 479,651,063.38/13,780.13
6. Step 6: Final answer
   x = 34,807.45