Finding the Third Proportional to 495,280 and 742,928

Step by Step Solution

1. Step 1: Write the proportion equation
   495,280 : 742,928 = 742,928 : x
2. Step 2: Convert to fraction form
   495,280/742,928 = 742,928/x
3. Step 3: Cross multiply
   495,280x = 742,928 × 742,928
4. Step 4: Simplify right side
   495,280x = 551,942,013,184
5. Step 5: Solve for x
   x = 551,942,013,184/495,280
6. Step 6: Final answer
   x = 1,114,404.00