Finding the Third Proportional to 30,488.63 and 47,890.69

Step by Step Solution

1. Step 1: Write the proportion equation
   30,488.63 : 47,890.69 = 47,890.69 : x
2. Step 2: Convert to fraction form
   30,488.63/47,890.69 = 47,890.69/x
3. Step 3: Cross multiply
   30,488.63x = 47,890.69 × 47,890.69
4. Step 4: Simplify right side
   30,488.63x = 2,293,517,949.22
5. Step 5: Solve for x
   x = 2,293,517,949.22/30,488.63
6. Step 6: Final answer
   x = 75,225.37