Finding the Third Proportional to 1,272,012 and 1,721,394

Step by Step Solution

1. Step 1: Write the proportion equation
   1,272,012 : 1,721,394 = 1,721,394 : x
2. Step 2: Convert to fraction form
   1,272,012/1,721,394 = 1,721,394/x
3. Step 3: Cross multiply
   1,272,012x = 1,721,394 × 1,721,394
4. Step 4: Simplify right side
   1,272,012x = 2,963,197,303,236
5. Step 5: Solve for x
   x = 2,963,197,303,236/1,272,012
6. Step 6: Final answer
   x = 2,329,535.65