Finding the Third Proportional to 426,116.81 and 911,333.25

Step by Step Solution

1. Step 1: Write the proportion equation
   426,116.81 : 911,333.25 = 911,333.25 : x
2. Step 2: Convert to fraction form
   426,116.81/911,333.25 = 911,333.25/x
3. Step 3: Cross multiply
   426,116.81x = 911,333.25 × 911,333.25
4. Step 4: Simplify right side
   426,116.81x = 830,528,292,555.56
5. Step 5: Solve for x
   x = 830,528,292,555.56/426,116.81
6. Step 6: Final answer
   x = 1,949,062.48