Finding the Third Proportional to 711,588 and 1,108,206

Step by Step Solution

1. Step 1: Write the proportion equation
   711,588 : 1,108,206 = 1,108,206 : x
2. Step 2: Convert to fraction form
   711,588/1,108,206 = 1,108,206/x
3. Step 3: Cross multiply
   711,588x = 1,108,206 × 1,108,206
4. Step 4: Simplify right side
   711,588x = 1,228,120,538,436
5. Step 5: Solve for x
   x = 1,228,120,538,436/711,588
6. Step 6: Final answer
   x = 1,725,887.08