Finding the Third Proportional to 347,146 and 760,872

Step by Step Solution

1. Step 1: Write the proportion equation
   347,146 : 760,872 = 760,872 : x
2. Step 2: Convert to fraction form
   347,146/760,872 = 760,872/x
3. Step 3: Cross multiply
   347,146x = 760,872 × 760,872
4. Step 4: Simplify right side
   347,146x = 578,926,200,384
5. Step 5: Solve for x
   x = 578,926,200,384/347,146
6. Step 6: Final answer
   x = 1,667,673.54