Finding the Third Proportional to 338,959.50 and 464,787

Step by Step Solution

1. Step 1: Write the proportion equation
   338,959.50 : 464,787 = 464,787 : x
2. Step 2: Convert to fraction form
   338,959.50/464,787 = 464,787/x
3. Step 3: Cross multiply
   338,959.50x = 464,787 × 464,787
4. Step 4: Simplify right side
   338,959.50x = 216,026,955,369
5. Step 5: Solve for x
   x = 216,026,955,369/338,959.50
6. Step 6: Final answer
   x = 637,323.80