Finding the Third Proportional to 30,386.25 and 63,857.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,386.25 : 63,857.25 = 63,857.25 : x
2. Step 2: Convert to fraction form
   30,386.25/63,857.25 = 63,857.25/x
3. Step 3: Cross multiply
   30,386.25x = 63,857.25 × 63,857.25
4. Step 4: Simplify right side
   30,386.25x = 4,077,748,377.56
5. Step 5: Solve for x
   x = 4,077,748,377.56/30,386.25
6. Step 6: Final answer
   x = 134,197.16