Finding the Third Proportional to 748,636 and 1,151,869

Step by Step Solution

1. Step 1: Write the proportion equation
   748,636 : 1,151,869 = 1,151,869 : x
2. Step 2: Convert to fraction form
   748,636/1,151,869 = 1,151,869/x
3. Step 3: Cross multiply
   748,636x = 1,151,869 × 1,151,869
4. Step 4: Simplify right side
   748,636x = 1,326,802,193,161
5. Step 5: Solve for x
   x = 1,326,802,193,161/748,636
6. Step 6: Final answer
   x = 1,772,292.80