Finding the Third Proportional to 346,326 and 518,095.50

Step by Step Solution

1. Step 1: Write the proportion equation
   346,326 : 518,095.50 = 518,095.50 : x
2. Step 2: Convert to fraction form
   346,326/518,095.50 = 518,095.50/x
3. Step 3: Cross multiply
   346,326x = 518,095.50 × 518,095.50
4. Step 4: Simplify right side
   346,326x = 268,422,947,120.25
5. Step 5: Solve for x
   x = 268,422,947,120.25/346,326
6. Step 6: Final answer
   x = 775,058.61