Finding the Third Proportional to 844,120 and 1,209,172

Step by Step Solution

1. Step 1: Write the proportion equation
   844,120 : 1,209,172 = 1,209,172 : x
2. Step 2: Convert to fraction form
   844,120/1,209,172 = 1,209,172/x
3. Step 3: Cross multiply
   844,120x = 1,209,172 × 1,209,172
4. Step 4: Simplify right side
   844,120x = 1,462,096,925,584
5. Step 5: Solve for x
   x = 1,462,096,925,584/844,120
6. Step 6: Final answer
   x = 1,732,096.06