Finding the Third Proportional to 629,664 and 1,349,088

Step by Step Solution

1. Step 1: Write the proportion equation
   629,664 : 1,349,088 = 1,349,088 : x
2. Step 2: Convert to fraction form
   629,664/1,349,088 = 1,349,088/x
3. Step 3: Cross multiply
   629,664x = 1,349,088 × 1,349,088
4. Step 4: Simplify right side
   629,664x = 1,820,038,431,744
5. Step 5: Solve for x
   x = 1,820,038,431,744/629,664
6. Step 6: Final answer
   x = 2,890,491.49