Finding the Third Proportional to 28,238.63 and 42,361.31

Step by Step Solution

1. Step 1: Write the proportion equation
   28,238.63 : 42,361.31 = 42,361.31 : x
2. Step 2: Convert to fraction form
   28,238.63/42,361.31 = 42,361.31/x
3. Step 3: Cross multiply
   28,238.63x = 42,361.31 × 42,361.31
4. Step 4: Simplify right side
   28,238.63x = 1,794,480,796.72
5. Step 5: Solve for x
   x = 1,794,480,796.72/28,238.63
6. Step 6: Final answer
   x = 63,547.03