Finding the Third Proportional to 411,108 and 915,640.50

Step by Step Solution

1. Step 1: Write the proportion equation
   411,108 : 915,640.50 = 915,640.50 : x
2. Step 2: Convert to fraction form
   411,108/915,640.50 = 915,640.50/x
3. Step 3: Cross multiply
   411,108x = 915,640.50 × 915,640.50
4. Step 4: Simplify right side
   411,108x = 838,397,525,240.25
5. Step 5: Solve for x
   x = 838,397,525,240.25/411,108
6. Step 6: Final answer
   x = 2,039,360.76