Finding the Third Proportional to 28,986 and 63,507

Step by Step Solution

1. Step 1: Write the proportion equation
   28,986 : 63,507 = 63,507 : x
2. Step 2: Convert to fraction form
   28,986/63,507 = 63,507/x
3. Step 3: Cross multiply
   28,986x = 63,507 × 63,507
4. Step 4: Simplify right side
   28,986x = 4,033,139,049
5. Step 5: Solve for x
   x = 4,033,139,049/28,986
6. Step 6: Final answer
   x = 139,140.93