Finding the Third Proportional to 1,312,262 and 2,729,226

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312,262 : 2,729,226 = 2,729,226 : x
2. Step 2: Convert to fraction form
   1,312,262/2,729,226 = 2,729,226/x
3. Step 3: Cross multiply
   1,312,262x = 2,729,226 × 2,729,226
4. Step 4: Simplify right side
   1,312,262x = 7,448,674,559,076
5. Step 5: Solve for x
   x = 7,448,674,559,076/1,312,262
6. Step 6: Final answer
   x = 5,676,209.90