Finding the Third Proportional to 920,184 and 1,405,187

Step by Step Solution

1. Step 1: Write the proportion equation
   920,184 : 1,405,187 = 1,405,187 : x
2. Step 2: Convert to fraction form
   920,184/1,405,187 = 1,405,187/x
3. Step 3: Cross multiply
   920,184x = 1,405,187 × 1,405,187
4. Step 4: Simplify right side
   920,184x = 1,974,550,504,969
5. Step 5: Solve for x
   x = 1,974,550,504,969/920,184
6. Step 6: Final answer
   x = 2,145,821.38