Finding the Third Proportional to 28,112.63 and 60,392.81

Step by Step Solution

1. Step 1: Write the proportion equation
   28,112.63 : 60,392.81 = 60,392.81 : x
2. Step 2: Convert to fraction form
   28,112.63/60,392.81 = 60,392.81/x
3. Step 3: Cross multiply
   28,112.63x = 60,392.81 × 60,392.81
4. Step 4: Simplify right side
   28,112.63x = 3,647,291,801.66
5. Step 5: Solve for x
   x = 3,647,291,801.66/28,112.63
6. Step 6: Final answer
   x = 129,738.57