Finding the Third Proportional to 21,507.19 and 47,145.38

Step by Step Solution

1. Step 1: Write the proportion equation
   21,507.19 : 47,145.38 = 47,145.38 : x
2. Step 2: Convert to fraction form
   21,507.19/47,145.38 = 47,145.38/x
3. Step 3: Cross multiply
   21,507.19x = 47,145.38 × 47,145.38
4. Step 4: Simplify right side
   21,507.19x = 2,222,686,383.89
5. Step 5: Solve for x
   x = 2,222,686,383.89/21,507.19
6. Step 6: Final answer
   x = 103,346.21