Finding the Third Proportional to 1,078,389 and 1,691,527

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078,389 : 1,691,527 = 1,691,527 : x
2. Step 2: Convert to fraction form
   1,078,389/1,691,527 = 1,691,527/x
3. Step 3: Cross multiply
   1,078,389x = 1,691,527 × 1,691,527
4. Step 4: Simplify right side
   1,078,389x = 2,861,263,591,729
5. Step 5: Solve for x
   x = 2,861,263,591,729/1,078,389
6. Step 6: Final answer
   x = 2,653,275.94