Finding the Third Proportional to 1,702,778 and 2,561,318

Step by Step Solution

1. Step 1: Write the proportion equation
   1,702,778 : 2,561,318 = 2,561,318 : x
2. Step 2: Convert to fraction form
   1,702,778/2,561,318 = 2,561,318/x
3. Step 3: Cross multiply
   1,702,778x = 2,561,318 × 2,561,318
4. Step 4: Simplify right side
   1,702,778x = 6,560,349,897,124
5. Step 5: Solve for x
   x = 6,560,349,897,124/1,702,778
6. Step 6: Final answer
   x = 3,852,733.53