Finding the Third Proportional to 1,287,124 and 1,692,566

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,124 : 1,692,566 = 1,692,566 : x
2. Step 2: Convert to fraction form
   1,287,124/1,692,566 = 1,692,566/x
3. Step 3: Cross multiply
   1,287,124x = 1,692,566 × 1,692,566
4. Step 4: Simplify right side
   1,287,124x = 2,864,779,664,356
5. Step 5: Solve for x
   x = 2,864,779,664,356/1,287,124
6. Step 6: Final answer
   x = 2,225,721.58