Finding the Third Proportional to 28,298 and 58,389

Step by Step Solution

1. Step 1: Write the proportion equation
   28,298 : 58,389 = 58,389 : x
2. Step 2: Convert to fraction form
   28,298/58,389 = 58,389/x
3. Step 3: Cross multiply
   28,298x = 58,389 × 58,389
4. Step 4: Simplify right side
   28,298x = 3,409,275,321
5. Step 5: Solve for x
   x = 3,409,275,321/28,298
6. Step 6: Final answer
   x = 120,477.61