Finding the Third Proportional to 42,309 and 62,154

Step by Step Solution

1. Step 1: Write the proportion equation
   42,309 : 62,154 = 62,154 : x
2. Step 2: Convert to fraction form
   42,309/62,154 = 62,154/x
3. Step 3: Cross multiply
   42,309x = 62,154 × 62,154
4. Step 4: Simplify right side
   42,309x = 3,863,119,716
5. Step 5: Solve for x
   x = 3,863,119,716/42,309
6. Step 6: Final answer
   x = 91,307.28