Finding the Third Proportional to 271,777.50 and 449,181

Step by Step Solution

1. Step 1: Write the proportion equation
   271,777.50 : 449,181 = 449,181 : x
2. Step 2: Convert to fraction form
   271,777.50/449,181 = 449,181/x
3. Step 3: Cross multiply
   271,777.50x = 449,181 × 449,181
4. Step 4: Simplify right side
   271,777.50x = 201,763,570,761
5. Step 5: Solve for x
   x = 201,763,570,761/271,777.50
6. Step 6: Final answer
   x = 742,385.12