Finding the Third Proportional to 30,709.13 and 63,802.69

Step by Step Solution

1. Step 1: Write the proportion equation
   30,709.13 : 63,802.69 = 63,802.69 : x
2. Step 2: Convert to fraction form
   30,709.13/63,802.69 = 63,802.69/x
3. Step 3: Cross multiply
   30,709.13x = 63,802.69 × 63,802.69
4. Step 4: Simplify right side
   30,709.13x = 4,070,782,932.22
5. Step 5: Solve for x
   x = 4,070,782,932.22/30,709.13
6. Step 6: Final answer
   x = 132,559.39