Finding the Third Proportional to 1,078,388 and 1,691,526

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078,388 : 1,691,526 = 1,691,526 : x
2. Step 2: Convert to fraction form
   1,078,388/1,691,526 = 1,691,526/x
3. Step 3: Cross multiply
   1,078,388x = 1,691,526 × 1,691,526
4. Step 4: Simplify right side
   1,078,388x = 2,861,260,208,676
5. Step 5: Solve for x
   x = 2,861,260,208,676/1,078,388
6. Step 6: Final answer
   x = 2,653,275.27