Finding the Third Proportional to 340,137 and 741,510

Step by Step Solution

1. Step 1: Write the proportion equation
   340,137 : 741,510 = 741,510 : x
2. Step 2: Convert to fraction form
   340,137/741,510 = 741,510/x
3. Step 3: Cross multiply
   340,137x = 741,510 × 741,510
4. Step 4: Simplify right side
   340,137x = 549,837,080,100
5. Step 5: Solve for x
   x = 549,837,080,100/340,137
6. Step 6: Final answer
   x = 1,616,516.52