Finding the Third Proportional to 1,072,318 and 2,232,836

Step by Step Solution

1. Step 1: Write the proportion equation
   1,072,318 : 2,232,836 = 2,232,836 : x
2. Step 2: Convert to fraction form
   1,072,318/2,232,836 = 2,232,836/x
3. Step 3: Cross multiply
   1,072,318x = 2,232,836 × 2,232,836
4. Step 4: Simplify right side
   1,072,318x = 4,985,556,602,896
5. Step 5: Solve for x
   x = 4,985,556,602,896/1,072,318
6. Step 6: Final answer
   x = 4,649,326.60