Finding the Third Proportional to 721,106 and 1,120,994

Step by Step Solution

1. Step 1: Write the proportion equation
   721,106 : 1,120,994 = 1,120,994 : x
2. Step 2: Convert to fraction form
   721,106/1,120,994 = 1,120,994/x
3. Step 3: Cross multiply
   721,106x = 1,120,994 × 1,120,994
4. Step 4: Simplify right side
   721,106x = 1,256,627,548,036
5. Step 5: Solve for x
   x = 1,256,627,548,036/721,106
6. Step 6: Final answer
   x = 1,742,639.15