Finding the Third Proportional to 48,488 and 70,816

Step by Step Solution

1. Step 1: Write the proportion equation
   48,488 : 70,816 = 70,816 : x
2. Step 2: Convert to fraction form
   48,488/70,816 = 70,816/x
3. Step 3: Cross multiply
   48,488x = 70,816 × 70,816
4. Step 4: Simplify right side
   48,488x = 5,014,905,856
5. Step 5: Solve for x
   x = 5,014,905,856/48,488
6. Step 6: Final answer
   x = 103,425.71