Finding the Third Proportional to 342,297.50 and 763,300

Step by Step Solution

1. Step 1: Write the proportion equation
   342,297.50 : 763,300 = 763,300 : x
2. Step 2: Convert to fraction form
   342,297.50/763,300 = 763,300/x
3. Step 3: Cross multiply
   342,297.50x = 763,300 × 763,300
4. Step 4: Simplify right side
   342,297.50x = 582,626,890,000
5. Step 5: Solve for x
   x = 582,626,890,000/342,297.50
6. Step 6: Final answer
   x = 1,702,106.76