Finding the Third Proportional to 411,330 and 917,185.50

Step by Step Solution

1. Step 1: Write the proportion equation
   411,330 : 917,185.50 = 917,185.50 : x
2. Step 2: Convert to fraction form
   411,330/917,185.50 = 917,185.50/x
3. Step 3: Cross multiply
   411,330x = 917,185.50 × 917,185.50
4. Step 4: Simplify right side
   411,330x = 841,229,241,410.25
5. Step 5: Solve for x
   x = 841,229,241,410.25/411,330
6. Step 6: Final answer
   x = 2,045,144.39