Finding the Third Proportional to 28,629 and 42,088

Step by Step Solution

1. Step 1: Write the proportion equation
   28,629 : 42,088 = 42,088 : x
2. Step 2: Convert to fraction form
   28,629/42,088 = 42,088/x
3. Step 3: Cross multiply
   28,629x = 42,088 × 42,088
4. Step 4: Simplify right side
   28,629x = 1,771,399,744
5. Step 5: Solve for x
   x = 1,771,399,744/28,629
6. Step 6: Final answer
   x = 61,874.31