Finding the Third Proportional to 867,897 and 1,778,076

Step by Step Solution

1. Step 1: Write the proportion equation
   867,897 : 1,778,076 = 1,778,076 : x
2. Step 2: Convert to fraction form
   867,897/1,778,076 = 1,778,076/x
3. Step 3: Cross multiply
   867,897x = 1,778,076 × 1,778,076
4. Step 4: Simplify right side
   867,897x = 3,161,554,261,776
5. Step 5: Solve for x
   x = 3,161,554,261,776/867,897
6. Step 6: Final answer
   x = 3,642,775.88