Finding the Third Proportional to 681,462 and 1,069,158

Step by Step Solution

1. Step 1: Write the proportion equation
   681,462 : 1,069,158 = 1,069,158 : x
2. Step 2: Convert to fraction form
   681,462/1,069,158 = 1,069,158/x
3. Step 3: Cross multiply
   681,462x = 1,069,158 × 1,069,158
4. Step 4: Simplify right side
   681,462x = 1,143,098,828,964
5. Step 5: Solve for x
   x = 1,143,098,828,964/681,462
6. Step 6: Final answer
   x = 1,677,421.23