Finding the Third Proportional to 345,298 and 759,118

Step by Step Solution

1. Step 1: Write the proportion equation
   345,298 : 759,118 = 759,118 : x
2. Step 2: Convert to fraction form
   345,298/759,118 = 759,118/x
3. Step 3: Cross multiply
   345,298x = 759,118 × 759,118
4. Step 4: Simplify right side
   345,298x = 576,260,137,924
5. Step 5: Solve for x
   x = 576,260,137,924/345,298
6. Step 6: Final answer
   x = 1,668,877.72