Finding the Third Proportional to 30,386 and 63,843

Step by Step Solution

1. Step 1: Write the proportion equation
   30,386 : 63,843 = 63,843 : x
2. Step 2: Convert to fraction form
   30,386/63,843 = 63,843/x
3. Step 3: Cross multiply
   30,386x = 63,843 × 63,843
4. Step 4: Simplify right side
   30,386x = 4,075,928,649
5. Step 5: Solve for x
   x = 4,075,928,649/30,386
6. Step 6: Final answer
   x = 134,138.37