Finding the Third Proportional to 28,392 and 60,426

Step by Step Solution

1. Step 1: Write the proportion equation
   28,392 : 60,426 = 60,426 : x
2. Step 2: Convert to fraction form
   28,392/60,426 = 60,426/x
3. Step 3: Cross multiply
   28,392x = 60,426 × 60,426
4. Step 4: Simplify right side
   28,392x = 3,651,301,476
5. Step 5: Solve for x
   x = 3,651,301,476/28,392
6. Step 6: Final answer
   x = 128,603.18