Finding the Third Proportional to 21,900.38 and 34,316.16

Step by Step Solution

1. Step 1: Write the proportion equation
   21,900.38 : 34,316.16 = 34,316.16 : x
2. Step 2: Convert to fraction form
   21,900.38/34,316.16 = 34,316.16/x
3. Step 3: Cross multiply
   21,900.38x = 34,316.16 × 34,316.16
4. Step 4: Simplify right side
   21,900.38x = 1,177,598,579.77
5. Step 5: Solve for x
   x = 1,177,598,579.77/21,900.38
6. Step 6: Final answer
   x = 53,770.70