Finding the Third Proportional to 21,353.63 and 34,308.56

Step by Step Solution

1. Step 1: Write the proportion equation
   21,353.63 : 34,308.56 = 34,308.56 : x
2. Step 2: Convert to fraction form
   21,353.63/34,308.56 = 34,308.56/x
3. Step 3: Cross multiply
   21,353.63x = 34,308.56 × 34,308.56
4. Step 4: Simplify right side
   21,353.63x = 1,177,077,460.82
5. Step 5: Solve for x
   x = 1,177,077,460.82/21,353.63
6. Step 6: Final answer
   x = 55,123.07