Finding the Third Proportional to 1,201,456 and 1,679,712

Step by Step Solution

1. Step 1: Write the proportion equation
   1,201,456 : 1,679,712 = 1,679,712 : x
2. Step 2: Convert to fraction form
   1,201,456/1,679,712 = 1,679,712/x
3. Step 3: Cross multiply
   1,201,456x = 1,679,712 × 1,679,712
4. Step 4: Simplify right side
   1,201,456x = 2,821,432,402,944
5. Step 5: Solve for x
   x = 2,821,432,402,944/1,201,456
6. Step 6: Final answer
   x = 2,348,344.34