Finding the Third Proportional to 28,358 and 57,868

Step by Step Solution

1. Step 1: Write the proportion equation
   28,358 : 57,868 = 57,868 : x
2. Step 2: Convert to fraction form
   28,358/57,868 = 57,868/x
3. Step 3: Cross multiply
   28,358x = 57,868 × 57,868
4. Step 4: Simplify right side
   28,358x = 3,348,705,424
5. Step 5: Solve for x
   x = 3,348,705,424/28,358
6. Step 6: Final answer
   x = 118,086.80