Finding the Third Proportional to 764,274 and 1,665,886

Step by Step Solution

1. Step 1: Write the proportion equation
   764,274 : 1,665,886 = 1,665,886 : x
2. Step 2: Convert to fraction form
   764,274/1,665,886 = 1,665,886/x
3. Step 3: Cross multiply
   764,274x = 1,665,886 × 1,665,886
4. Step 4: Simplify right side
   764,274x = 2,775,176,164,996
5. Step 5: Solve for x
   x = 2,775,176,164,996/764,274
6. Step 6: Final answer
   x = 3,631,127.27