Finding the Third Proportional to 345,054 and 754,076

Step by Step Solution

1. Step 1: Write the proportion equation
   345,054 : 754,076 = 754,076 : x
2. Step 2: Convert to fraction form
   345,054/754,076 = 754,076/x
3. Step 3: Cross multiply
   345,054x = 754,076 × 754,076
4. Step 4: Simplify right side
   345,054x = 568,630,613,776
5. Step 5: Solve for x
   x = 568,630,613,776/345,054
6. Step 6: Final answer
   x = 1,647,946.74