Finding the Third Proportional to 1,233,807 and 1,680,853

Step by Step Solution

1. Step 1: Write the proportion equation
   1,233,807 : 1,680,853 = 1,680,853 : x
2. Step 2: Convert to fraction form
   1,233,807/1,680,853 = 1,680,853/x
3. Step 3: Cross multiply
   1,233,807x = 1,680,853 × 1,680,853
4. Step 4: Simplify right side
   1,233,807x = 2,825,266,807,609
5. Step 5: Solve for x
   x = 2,825,266,807,609/1,233,807
6. Step 6: Final answer
   x = 2,289,877.43