Finding the Third Proportional to 201,131.75 and 277,060

Step by Step Solution

1. Step 1: Write the proportion equation
   201,131.75 : 277,060 = 277,060 : x
2. Step 2: Convert to fraction form
   201,131.75/277,060 = 277,060/x
3. Step 3: Cross multiply
   201,131.75x = 277,060 × 277,060
4. Step 4: Simplify right side
   201,131.75x = 76,762,243,600
5. Step 5: Solve for x
   x = 76,762,243,600/201,131.75
6. Step 6: Final answer
   x = 381,651.55