Finding the Third Proportional to 831,847.50 and 1,242,227.25

Step by Step Solution

1. Step 1: Write the proportion equation
   831,847.50 : 1,242,227.25 = 1,242,227.25 : x
2. Step 2: Convert to fraction form
   831,847.50/1,242,227.25 = 1,242,227.25/x
3. Step 3: Cross multiply
   831,847.50x = 1,242,227.25 × 1,242,227.25
4. Step 4: Simplify right side
   831,847.50x = 1,543,128,540,642.56
5. Step 5: Solve for x
   x = 1,543,128,540,642.56/831,847.50
6. Step 6: Final answer
   x = 1,855,061.82