Finding the Third Proportional to 1,069,219 and 1,413,315

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069,219 : 1,413,315 = 1,413,315 : x
2. Step 2: Convert to fraction form
   1,069,219/1,413,315 = 1,413,315/x
3. Step 3: Cross multiply
   1,069,219x = 1,413,315 × 1,413,315
4. Step 4: Simplify right side
   1,069,219x = 1,997,459,289,225
5. Step 5: Solve for x
   x = 1,997,459,289,225/1,069,219
6. Step 6: Final answer
   x = 1,868,147.96