Finding the Third Proportional to 28,354 and 57,860

Step by Step Solution

1. Step 1: Write the proportion equation
   28,354 : 57,860 = 57,860 : x
2. Step 2: Convert to fraction form
   28,354/57,860 = 57,860/x
3. Step 3: Cross multiply
   28,354x = 57,860 × 57,860
4. Step 4: Simplify right side
   28,354x = 3,347,779,600
5. Step 5: Solve for x
   x = 3,347,779,600/28,354
6. Step 6: Final answer
   x = 118,070.80