Finding the Third Proportional to 1,691,817 and 2,777,305

Step by Step Solution

1. Step 1: Write the proportion equation
   1,691,817 : 2,777,305 = 2,777,305 : x
2. Step 2: Convert to fraction form
   1,691,817/2,777,305 = 2,777,305/x
3. Step 3: Cross multiply
   1,691,817x = 2,777,305 × 2,777,305
4. Step 4: Simplify right side
   1,691,817x = 7,713,423,063,025
5. Step 5: Solve for x
   x = 7,713,423,063,025/1,691,817
6. Step 6: Final answer
   x = 4,559,253.79