Finding the Third Proportional to 770,530.50 and 1,227,145.50

Step by Step Solution

1. Step 1: Write the proportion equation
   770,530.50 : 1,227,145.50 = 1,227,145.50 : x
2. Step 2: Convert to fraction form
   770,530.50/1,227,145.50 = 1,227,145.50/x
3. Step 3: Cross multiply
   770,530.50x = 1,227,145.50 × 1,227,145.50
4. Step 4: Simplify right side
   770,530.50x = 1,505,886,078,170.25
5. Step 5: Solve for x
   x = 1,505,886,078,170.25/770,530.50
6. Step 6: Final answer
   x = 1,954,349.73