Finding the Third Proportional to 345,055.50 and 754,080

Step by Step Solution

1. Step 1: Write the proportion equation
   345,055.50 : 754,080 = 754,080 : x
2. Step 2: Convert to fraction form
   345,055.50/754,080 = 754,080/x
3. Step 3: Cross multiply
   345,055.50x = 754,080 × 754,080
4. Step 4: Simplify right side
   345,055.50x = 568,636,646,400
5. Step 5: Solve for x
   x = 568,636,646,400/345,055.50
6. Step 6: Final answer
   x = 1,647,957.06