Finding the Third Proportional to 623,621 and 1,347,034

Step by Step Solution

1. Step 1: Write the proportion equation
   623,621 : 1,347,034 = 1,347,034 : x
2. Step 2: Convert to fraction form
   623,621/1,347,034 = 1,347,034/x
3. Step 3: Cross multiply
   623,621x = 1,347,034 × 1,347,034
4. Step 4: Simplify right side
   623,621x = 1,814,500,597,156
5. Step 5: Solve for x
   x = 1,814,500,597,156/623,621
6. Step 6: Final answer
   x = 2,909,620.74