Finding the Third Proportional to 912,922 and 1,211,630

Step by Step Solution

1. Step 1: Write the proportion equation
   912,922 : 1,211,630 = 1,211,630 : x
2. Step 2: Convert to fraction form
   912,922/1,211,630 = 1,211,630/x
3. Step 3: Cross multiply
   912,922x = 1,211,630 × 1,211,630
4. Step 4: Simplify right side
   912,922x = 1,468,047,256,900
5. Step 5: Solve for x
   x = 1,468,047,256,900/912,922
6. Step 6: Final answer
   x = 1,608,075.23