Finding the Third Proportional to 623,947.50 and 1,277,469

Step by Step Solution

1. Step 1: Write the proportion equation
   623,947.50 : 1,277,469 = 1,277,469 : x
2. Step 2: Convert to fraction form
   623,947.50/1,277,469 = 1,277,469/x
3. Step 3: Cross multiply
   623,947.50x = 1,277,469 × 1,277,469
4. Step 4: Simplify right side
   623,947.50x = 1,631,927,045,961
5. Step 5: Solve for x
   x = 1,631,927,045,961/623,947.50
6. Step 6: Final answer
   x = 2,615,487.75