Finding the Third Proportional to 729,256.50 and 1,103,945.25

Step by Step Solution

1. Step 1: Write the proportion equation
   729,256.50 : 1,103,945.25 = 1,103,945.25 : x
2. Step 2: Convert to fraction form
   729,256.50/1,103,945.25 = 1,103,945.25/x
3. Step 3: Cross multiply
   729,256.50x = 1,103,945.25 × 1,103,945.25
4. Step 4: Simplify right side
   729,256.50x = 1,218,695,114,997.56
5. Step 5: Solve for x
   x = 1,218,695,114,997.56/729,256.50
6. Step 6: Final answer
   x = 1,671,147.42