Finding the Third Proportional to 345,942 and 759,988

Step by Step Solution

1. Step 1: Write the proportion equation
   345,942 : 759,988 = 759,988 : x
2. Step 2: Convert to fraction form
   345,942/759,988 = 759,988/x
3. Step 3: Cross multiply
   345,942x = 759,988 × 759,988
4. Step 4: Simplify right side
   345,942x = 577,581,760,144
5. Step 5: Solve for x
   x = 577,581,760,144/345,942
6. Step 6: Final answer
   x = 1,669,591.32