Finding the Third Proportional to 808,155 and 1,267,758

Step by Step Solution

1. Step 1: Write the proportion equation
   808,155 : 1,267,758 = 1,267,758 : x
2. Step 2: Convert to fraction form
   808,155/1,267,758 = 1,267,758/x
3. Step 3: Cross multiply
   808,155x = 1,267,758 × 1,267,758
4. Step 4: Simplify right side
   808,155x = 1,607,210,346,564
5. Step 5: Solve for x
   x = 1,607,210,346,564/808,155
6. Step 6: Final answer
   x = 1,988,740.21