Finding the Third Proportional to 623,116 and 1,355,582

Step by Step Solution

1. Step 1: Write the proportion equation
   623,116 : 1,355,582 = 1,355,582 : x
2. Step 2: Convert to fraction form
   623,116/1,355,582 = 1,355,582/x
3. Step 3: Cross multiply
   623,116x = 1,355,582 × 1,355,582
4. Step 4: Simplify right side
   623,116x = 1,837,602,558,724
5. Step 5: Solve for x
   x = 1,837,602,558,724/623,116
6. Step 6: Final answer
   x = 2,949,053.72