Finding the Third Proportional to 91,941.75 and 139,287.94

Step by Step Solution

1. Step 1: Write the proportion equation
   91,941.75 : 139,287.94 = 139,287.94 : x
2. Step 2: Convert to fraction form
   91,941.75/139,287.94 = 139,287.94/x
3. Step 3: Cross multiply
   91,941.75x = 139,287.94 × 139,287.94
4. Step 4: Simplify right side
   91,941.75x = 19,401,129,533.00
5. Step 5: Solve for x
   x = 19,401,129,533.00/91,941.75
6. Step 6: Final answer
   x = 211,015.45