Finding the Third Proportional to 92,155.50 and 139,077

Step by Step Solution

1. Step 1: Write the proportion equation
   92,155.50 : 139,077 = 139,077 : x
2. Step 2: Convert to fraction form
   92,155.50/139,077 = 139,077/x
3. Step 3: Cross multiply
   92,155.50x = 139,077 × 139,077
4. Step 4: Simplify right side
   92,155.50x = 19,342,411,929
5. Step 5: Solve for x
   x = 19,342,411,929/92,155.50
6. Step 6: Final answer
   x = 209,888.85