Finding the Third Proportional to 347,144 and 760,870

Step by Step Solution

1. Step 1: Write the proportion equation
   347,144 : 760,870 = 760,870 : x
2. Step 2: Convert to fraction form
   347,144/760,870 = 760,870/x
3. Step 3: Cross multiply
   347,144x = 760,870 × 760,870
4. Step 4: Simplify right side
   347,144x = 578,923,156,900
5. Step 5: Solve for x
   x = 578,923,156,900/347,144
6. Step 6: Final answer
   x = 1,667,674.39