Finding the Third Proportional to 90,296 and 139,737

Step by Step Solution

1. Step 1: Write the proportion equation
   90,296 : 139,737 = 139,737 : x
2. Step 2: Convert to fraction form
   90,296/139,737 = 139,737/x
3. Step 3: Cross multiply
   90,296x = 139,737 × 139,737
4. Step 4: Simplify right side
   90,296x = 19,526,429,169
5. Step 5: Solve for x
   x = 19,526,429,169/90,296
6. Step 6: Final answer
   x = 216,249.10