Finding the Third Proportional to 91,002 and 139,677

Step by Step Solution

1. Step 1: Write the proportion equation
   91,002 : 139,677 = 139,677 : x
2. Step 2: Convert to fraction form
   91,002/139,677 = 139,677/x
3. Step 3: Cross multiply
   91,002x = 139,677 × 139,677
4. Step 4: Simplify right side
   91,002x = 19,509,664,329
5. Step 5: Solve for x
   x = 19,509,664,329/91,002
6. Step 6: Final answer
   x = 214,387.20