Finding the Third Proportional to 337,917 and 456,130.50

Step by Step Solution

1. Step 1: Write the proportion equation
   337,917 : 456,130.50 = 456,130.50 : x
2. Step 2: Convert to fraction form
   337,917/456,130.50 = 456,130.50/x
3. Step 3: Cross multiply
   337,917x = 456,130.50 × 456,130.50
4. Step 4: Simplify right side
   337,917x = 208,055,033,030.25
5. Step 5: Solve for x
   x = 208,055,033,030.25/337,917
6. Step 6: Final answer
   x = 615,698.63