Finding the Third Proportional to 830,839 and 1,807,478

Step by Step Solution

1. Step 1: Write the proportion equation
   830,839 : 1,807,478 = 1,807,478 : x
2. Step 2: Convert to fraction form
   830,839/1,807,478 = 1,807,478/x
3. Step 3: Cross multiply
   830,839x = 1,807,478 × 1,807,478
4. Step 4: Simplify right side
   830,839x = 3,266,976,720,484
5. Step 5: Solve for x
   x = 3,266,976,720,484/830,839
6. Step 6: Final answer
   x = 3,932,141.75