Finding the Third Proportional to 426,001.50 and 911,845.50

Step by Step Solution

1. Step 1: Write the proportion equation
   426,001.50 : 911,845.50 = 911,845.50 : x
2. Step 2: Convert to fraction form
   426,001.50/911,845.50 = 911,845.50/x
3. Step 3: Cross multiply
   426,001.50x = 911,845.50 × 911,845.50
4. Step 4: Simplify right side
   426,001.50x = 831,462,215,870.25
5. Step 5: Solve for x
   x = 831,462,215,870.25/426,001.50
6. Step 6: Final answer
   x = 1,951,782.37