Finding the Third Proportional to 567,128 and 1,237,280

Step by Step Solution

1. Step 1: Write the proportion equation
   567,128 : 1,237,280 = 1,237,280 : x
2. Step 2: Convert to fraction form
   567,128/1,237,280 = 1,237,280/x
3. Step 3: Cross multiply
   567,128x = 1,237,280 × 1,237,280
4. Step 4: Simplify right side
   567,128x = 1,530,861,798,400
5. Step 5: Solve for x
   x = 1,530,861,798,400/567,128
6. Step 6: Final answer
   x = 2,699,323.25