Finding the Third Proportional to 28,430 and 58,684

Step by Step Solution

1. Step 1: Write the proportion equation
   28,430 : 58,684 = 58,684 : x
2. Step 2: Convert to fraction form
   28,430/58,684 = 58,684/x
3. Step 3: Cross multiply
   28,430x = 58,684 × 58,684
4. Step 4: Simplify right side
   28,430x = 3,443,811,856
5. Step 5: Solve for x
   x = 3,443,811,856/28,430
6. Step 6: Final answer
   x = 121,133.02