Finding the Third Proportional to 1,114,968 and 1,698,660

Step by Step Solution

1. Step 1: Write the proportion equation
   1,114,968 : 1,698,660 = 1,698,660 : x
2. Step 2: Convert to fraction form
   1,114,968/1,698,660 = 1,698,660/x
3. Step 3: Cross multiply
   1,114,968x = 1,698,660 × 1,698,660
4. Step 4: Simplify right side
   1,114,968x = 2,885,445,795,600
5. Step 5: Solve for x
   x = 2,885,445,795,600/1,114,968
6. Step 6: Final answer
   x = 2,587,918.03