Finding the Third Proportional to 60,706 and 91,906.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,706 : 91,906.50 = 91,906.50 : x
2. Step 2: Convert to fraction form
   60,706/91,906.50 = 91,906.50/x
3. Step 3: Cross multiply
   60,706x = 91,906.50 × 91,906.50
4. Step 4: Simplify right side
   60,706x = 8,446,804,742.25
5. Step 5: Solve for x
   x = 8,446,804,742.25/60,706
6. Step 6: Final answer
   x = 139,142.83