Finding the Third Proportional to 48,256.13 and 69,615.38

Step by Step Solution

1. Step 1: Write the proportion equation
   48,256.13 : 69,615.38 = 69,615.38 : x
2. Step 2: Convert to fraction form
   48,256.13/69,615.38 = 69,615.38/x
3. Step 3: Cross multiply
   48,256.13x = 69,615.38 × 69,615.38
4. Step 4: Simplify right side
   48,256.13x = 4,846,300,436.39
5. Step 5: Solve for x
   x = 4,846,300,436.39/48,256.13
6. Step 6: Final answer
   x = 100,428.71