Finding the Third Proportional to 28,156 and 61,328

Step by Step Solution

1. Step 1: Write the proportion equation
   28,156 : 61,328 = 61,328 : x
2. Step 2: Convert to fraction form
   28,156/61,328 = 61,328/x
3. Step 3: Cross multiply
   28,156x = 61,328 × 61,328
4. Step 4: Simplify right side
   28,156x = 3,761,123,584
5. Step 5: Solve for x
   x = 3,761,123,584/28,156
6. Step 6: Final answer
   x = 133,581.60