Finding the Third Proportional to 427,182 and 909,577.50

Step by Step Solution

1. Step 1: Write the proportion equation
   427,182 : 909,577.50 = 909,577.50 : x
2. Step 2: Convert to fraction form
   427,182/909,577.50 = 909,577.50/x
3. Step 3: Cross multiply
   427,182x = 909,577.50 × 909,577.50
4. Step 4: Simplify right side
   427,182x = 827,331,228,506.25
5. Step 5: Solve for x
   x = 827,331,228,506.25/427,182
6. Step 6: Final answer
   x = 1,936,718.37