Finding the Third Proportional to 711,430 and 1,093,386

Step by Step Solution

1. Step 1: Write the proportion equation
   711,430 : 1,093,386 = 1,093,386 : x
2. Step 2: Convert to fraction form
   711,430/1,093,386 = 1,093,386/x
3. Step 3: Cross multiply
   711,430x = 1,093,386 × 1,093,386
4. Step 4: Simplify right side
   711,430x = 1,195,492,944,996
5. Step 5: Solve for x
   x = 1,195,492,944,996/711,430
6. Step 6: Final answer
   x = 1,680,408.40