Finding the Third Proportional to 424,170 and 914,758.50

Step by Step Solution

1. Step 1: Write the proportion equation
   424,170 : 914,758.50 = 914,758.50 : x
2. Step 2: Convert to fraction form
   424,170/914,758.50 = 914,758.50/x
3. Step 3: Cross multiply
   424,170x = 914,758.50 × 914,758.50
4. Step 4: Simplify right side
   424,170x = 836,783,113,322.25
5. Step 5: Solve for x
   x = 836,783,113,322.25/424,170
6. Step 6: Final answer
   x = 1,972,754.12