Finding the Third Proportional to 347,166 and 703,991.25

Step by Step Solution

1. Step 1: Write the proportion equation
   347,166 : 703,991.25 = 703,991.25 : x
2. Step 2: Convert to fraction form
   347,166/703,991.25 = 703,991.25/x
3. Step 3: Cross multiply
   347,166x = 703,991.25 × 703,991.25
4. Step 4: Simplify right side
   347,166x = 495,603,680,076.56
5. Step 5: Solve for x
   x = 495,603,680,076.56/347,166
6. Step 6: Final answer
   x = 1,427,569.75