Finding the Third Proportional to 60,706.50 and 91,907

Step by Step Solution

1. Step 1: Write the proportion equation
   60,706.50 : 91,907 = 91,907 : x
2. Step 2: Convert to fraction form
   60,706.50/91,907 = 91,907/x
3. Step 3: Cross multiply
   60,706.50x = 91,907 × 91,907
4. Step 4: Simplify right side
   60,706.50x = 8,446,896,649
5. Step 5: Solve for x
   x = 8,446,896,649/60,706.50
6. Step 6: Final answer
   x = 139,143.20