Finding the Third Proportional to 60,718.50 and 91,926

Step by Step Solution

1. Step 1: Write the proportion equation
   60,718.50 : 91,926 = 91,926 : x
2. Step 2: Convert to fraction form
   60,718.50/91,926 = 91,926/x
3. Step 3: Cross multiply
   60,718.50x = 91,926 × 91,926
4. Step 4: Simplify right side
   60,718.50x = 8,450,389,476
5. Step 5: Solve for x
   x = 8,450,389,476/60,718.50
6. Step 6: Final answer
   x = 139,173.23