Finding the Third Proportional to 1,098,902 and 1,698,170

Step by Step Solution

1. Step 1: Write the proportion equation
   1,098,902 : 1,698,170 = 1,698,170 : x
2. Step 2: Convert to fraction form
   1,098,902/1,698,170 = 1,698,170/x
3. Step 3: Cross multiply
   1,098,902x = 1,698,170 × 1,698,170
4. Step 4: Simplify right side
   1,098,902x = 2,883,781,348,900
5. Step 5: Solve for x
   x = 2,883,781,348,900/1,098,902
6. Step 6: Final answer
   x = 2,624,238.88