Finding the Third Proportional to 681,670.69 and 1,036,672.17

Step by Step Solution

1. Step 1: Write the proportion equation
   681,670.69 : 1,036,672.17 = 1,036,672.17 : x
2. Step 2: Convert to fraction form
   681,670.69/1,036,672.17 = 1,036,672.17/x
3. Step 3: Cross multiply
   681,670.69x = 1,036,672.17 × 1,036,672.17
4. Step 4: Simplify right side
   681,670.69x = 1,074,689,191,940.03
5. Step 5: Solve for x
   x = 1,074,689,191,940.03/681,670.69
6. Step 6: Final answer
   x = 1,576,551.86