Finding the Third Proportional to 631,769 and 1,491,392

Step by Step Solution

1. Step 1: Write the proportion equation
   631,769 : 1,491,392 = 1,491,392 : x
2. Step 2: Convert to fraction form
   631,769/1,491,392 = 1,491,392/x
3. Step 3: Cross multiply
   631,769x = 1,491,392 × 1,491,392
4. Step 4: Simplify right side
   631,769x = 2,224,250,097,664
5. Step 5: Solve for x
   x = 2,224,250,097,664/631,769
6. Step 6: Final answer
   x = 3,520,669.89