Finding the Third Proportional to 679,070 and 1,018,686

Step by Step Solution

1. Step 1: Write the proportion equation
   679,070 : 1,018,686 = 1,018,686 : x
2. Step 2: Convert to fraction form
   679,070/1,018,686 = 1,018,686/x
3. Step 3: Cross multiply
   679,070x = 1,018,686 × 1,018,686
4. Step 4: Simplify right side
   679,070x = 1,037,721,166,596
5. Step 5: Solve for x
   x = 1,037,721,166,596/679,070
6. Step 6: Final answer
   x = 1,528,150.51