Finding the Third Proportional to 349,213.50 and 767,010

Step by Step Solution

1. Step 1: Write the proportion equation
   349,213.50 : 767,010 = 767,010 : x
2. Step 2: Convert to fraction form
   349,213.50/767,010 = 767,010/x
3. Step 3: Cross multiply
   349,213.50x = 767,010 × 767,010
4. Step 4: Simplify right side
   349,213.50x = 588,304,340,100
5. Step 5: Solve for x
   x = 588,304,340,100/349,213.50
6. Step 6: Final answer
   x = 1,684,655.20