Finding the Third Proportional to 42,406 and 62,310

Step by Step Solution

1. Step 1: Write the proportion equation
   42,406 : 62,310 = 62,310 : x
2. Step 2: Convert to fraction form
   42,406/62,310 = 62,310/x
3. Step 3: Cross multiply
   42,406x = 62,310 × 62,310
4. Step 4: Simplify right side
   42,406x = 3,882,536,100
5. Step 5: Solve for x
   x = 3,882,536,100/42,406
6. Step 6: Final answer
   x = 91,556.29