Finding the Third Proportional to 1,102,188 and 1,686,003

Step by Step Solution

1. Step 1: Write the proportion equation
   1,102,188 : 1,686,003 = 1,686,003 : x
2. Step 2: Convert to fraction form
   1,102,188/1,686,003 = 1,686,003/x
3. Step 3: Cross multiply
   1,102,188x = 1,686,003 × 1,686,003
4. Step 4: Simplify right side
   1,102,188x = 2,842,606,116,009
5. Step 5: Solve for x
   x = 2,842,606,116,009/1,102,188
6. Step 6: Final answer
   x = 2,579,057.40