Finding the Third Proportional to 728,656.50 and 1,103,151

Step by Step Solution

1. Step 1: Write the proportion equation
   728,656.50 : 1,103,151 = 1,103,151 : x
2. Step 2: Convert to fraction form
   728,656.50/1,103,151 = 1,103,151/x
3. Step 3: Cross multiply
   728,656.50x = 1,103,151 × 1,103,151
4. Step 4: Simplify right side
   728,656.50x = 1,216,942,128,801
5. Step 5: Solve for x
   x = 1,216,942,128,801/728,656.50
6. Step 6: Final answer
   x = 1,670,117.72