Finding the Third Proportional to 1,233,860 and 1,680,924

Step by Step Solution

1. Step 1: Write the proportion equation
   1,233,860 : 1,680,924 = 1,680,924 : x
2. Step 2: Convert to fraction form
   1,233,860/1,680,924 = 1,680,924/x
3. Step 3: Cross multiply
   1,233,860x = 1,680,924 × 1,680,924
4. Step 4: Simplify right side
   1,233,860x = 2,825,505,493,776
5. Step 5: Solve for x
   x = 2,825,505,493,776/1,233,860
6. Step 6: Final answer
   x = 2,289,972.52