Finding the Third Proportional to 814,114.50 and 1,215,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   814,114.50 : 1,215,019.50 = 1,215,019.50 : x
2. Step 2: Convert to fraction form
   814,114.50/1,215,019.50 = 1,215,019.50/x
3. Step 3: Cross multiply
   814,114.50x = 1,215,019.50 × 1,215,019.50
4. Step 4: Simplify right side
   814,114.50x = 1,476,272,385,380.25
5. Step 5: Solve for x
   x = 1,476,272,385,380.25/814,114.50
6. Step 6: Final answer
   x = 1,813,347.37