Finding the Third Proportional to 427,341 and 911,878.50

Step by Step Solution

1. Step 1: Write the proportion equation
   427,341 : 911,878.50 = 911,878.50 : x
2. Step 2: Convert to fraction form
   427,341/911,878.50 = 911,878.50/x
3. Step 3: Cross multiply
   427,341x = 911,878.50 × 911,878.50
4. Step 4: Simplify right side
   427,341x = 831,522,398,762.25
5. Step 5: Solve for x
   x = 831,522,398,762.25/427,341
6. Step 6: Final answer
   x = 1,945,805.34