Finding the Third Proportional to 721,845 and 1,009,153

Step by Step Solution

1. Step 1: Write the proportion equation
   721,845 : 1,009,153 = 1,009,153 : x
2. Step 2: Convert to fraction form
   721,845/1,009,153 = 1,009,153/x
3. Step 3: Cross multiply
   721,845x = 1,009,153 × 1,009,153
4. Step 4: Simplify right side
   721,845x = 1,018,389,777,409
5. Step 5: Solve for x
   x = 1,018,389,777,409/721,845
6. Step 6: Final answer
   x = 1,410,815.03