Finding the Third Proportional to 348,297 and 711,355.50

Step by Step Solution

1. Step 1: Write the proportion equation
   348,297 : 711,355.50 = 711,355.50 : x
2. Step 2: Convert to fraction form
   348,297/711,355.50 = 711,355.50/x
3. Step 3: Cross multiply
   348,297x = 711,355.50 × 711,355.50
4. Step 4: Simplify right side
   348,297x = 506,026,647,380.25
5. Step 5: Solve for x
   x = 506,026,647,380.25/348,297
6. Step 6: Final answer
   x = 1,452,859.62