Finding the Third Proportional to 245,943 and 348,664.50

Step by Step Solution

1. Step 1: Write the proportion equation
   245,943 : 348,664.50 = 348,664.50 : x
2. Step 2: Convert to fraction form
   245,943/348,664.50 = 348,664.50/x
3. Step 3: Cross multiply
   245,943x = 348,664.50 × 348,664.50
4. Step 4: Simplify right side
   245,943x = 121,566,933,560.25
5. Step 5: Solve for x
   x = 121,566,933,560.25/245,943
6. Step 6: Final answer
   x = 494,289.06