Finding the Third Proportional to 811,238 and 1,261,106

Step by Step Solution

1. Step 1: Write the proportion equation
   811,238 : 1,261,106 = 1,261,106 : x
2. Step 2: Convert to fraction form
   811,238/1,261,106 = 1,261,106/x
3. Step 3: Cross multiply
   811,238x = 1,261,106 × 1,261,106
4. Step 4: Simplify right side
   811,238x = 1,590,388,343,236
5. Step 5: Solve for x
   x = 1,590,388,343,236/811,238
6. Step 6: Final answer
   x = 1,960,446.06