Finding the Third Proportional to 629,439 and 1,347,222

Step by Step Solution

1. Step 1: Write the proportion equation
   629,439 : 1,347,222 = 1,347,222 : x
2. Step 2: Convert to fraction form
   629,439/1,347,222 = 1,347,222/x
3. Step 3: Cross multiply
   629,439x = 1,347,222 × 1,347,222
4. Step 4: Simplify right side
   629,439x = 1,815,007,117,284
5. Step 5: Solve for x
   x = 1,815,007,117,284/629,439
6. Step 6: Final answer
   x = 2,883,531.39