Finding the Third Proportional to 693,763 and 1,406,664

Step by Step Solution

1. Step 1: Write the proportion equation
   693,763 : 1,406,664 = 1,406,664 : x
2. Step 2: Convert to fraction form
   693,763/1,406,664 = 1,406,664/x
3. Step 3: Cross multiply
   693,763x = 1,406,664 × 1,406,664
4. Step 4: Simplify right side
   693,763x = 1,978,703,608,896
5. Step 5: Solve for x
   x = 1,978,703,608,896/693,763
6. Step 6: Final answer
   x = 2,852,131.94