Finding the Third Proportional to 25,201.13 and 42,256.69

Step by Step Solution

1. Step 1: Write the proportion equation
   25,201.13 : 42,256.69 = 42,256.69 : x
2. Step 2: Convert to fraction form
   25,201.13/42,256.69 = 42,256.69/x
3. Step 3: Cross multiply
   25,201.13x = 42,256.69 × 42,256.69
4. Step 4: Simplify right side
   25,201.13x = 1,785,627,638.47
5. Step 5: Solve for x
   x = 1,785,627,638.47/25,201.13
6. Step 6: Final answer
   x = 70,855.08