Finding the Third Proportional to 424,176 and 909,069.75

Step by Step Solution

1. Step 1: Write the proportion equation
   424,176 : 909,069.75 = 909,069.75 : x
2. Step 2: Convert to fraction form
   424,176/909,069.75 = 909,069.75/x
3. Step 3: Cross multiply
   424,176x = 909,069.75 × 909,069.75
4. Step 4: Simplify right side
   424,176x = 826,407,810,365.06
5. Step 5: Solve for x
   x = 826,407,810,365.06/424,176
6. Step 6: Final answer
   x = 1,948,266.31