Finding the Third Proportional to 348,403.50 and 763,200

Step by Step Solution

1. Step 1: Write the proportion equation
   348,403.50 : 763,200 = 763,200 : x
2. Step 2: Convert to fraction form
   348,403.50/763,200 = 763,200/x
3. Step 3: Cross multiply
   348,403.50x = 763,200 × 763,200
4. Step 4: Simplify right side
   348,403.50x = 582,474,240,000
5. Step 5: Solve for x
   x = 582,474,240,000/348,403.50
6. Step 6: Final answer
   x = 1,671,838.08