Finding the Third Proportional to 62,158 and 136,413.50

Step by Step Solution

1. Step 1: Write the proportion equation
   62,158 : 136,413.50 = 136,413.50 : x
2. Step 2: Convert to fraction form
   62,158/136,413.50 = 136,413.50/x
3. Step 3: Cross multiply
   62,158x = 136,413.50 × 136,413.50
4. Step 4: Simplify right side
   62,158x = 18,608,642,982.25
5. Step 5: Solve for x
   x = 18,608,642,982.25/62,158
6. Step 6: Final answer
   x = 299,376.48