Finding the Third Proportional to 250,161 and 510,510

Step by Step Solution

1. Step 1: Write the proportion equation
   250,161 : 510,510 = 510,510 : x
2. Step 2: Convert to fraction form
   250,161/510,510 = 510,510/x
3. Step 3: Cross multiply
   250,161x = 510,510 × 510,510
4. Step 4: Simplify right side
   250,161x = 260,620,460,100
5. Step 5: Solve for x
   x = 260,620,460,100/250,161
6. Step 6: Final answer
   x = 1,041,810.91