Finding the Third Proportional to 589,342 and 1,272,590

Step by Step Solution

1. Step 1: Write the proportion equation
   589,342 : 1,272,590 = 1,272,590 : x
2. Step 2: Convert to fraction form
   589,342/1,272,590 = 1,272,590/x
3. Step 3: Cross multiply
   589,342x = 1,272,590 × 1,272,590
4. Step 4: Simplify right side
   589,342x = 1,619,485,308,100
5. Step 5: Solve for x
   x = 1,619,485,308,100/589,342
6. Step 6: Final answer
   x = 2,747,955.02