Finding the Third Proportional to 1,069,211 and 1,413,304

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069,211 : 1,413,304 = 1,413,304 : x
2. Step 2: Convert to fraction form
   1,069,211/1,413,304 = 1,413,304/x
3. Step 3: Cross multiply
   1,069,211x = 1,413,304 × 1,413,304
4. Step 4: Simplify right side
   1,069,211x = 1,997,428,196,416
5. Step 5: Solve for x
   x = 1,997,428,196,416/1,069,211
6. Step 6: Final answer
   x = 1,868,132.85