Finding the Third Proportional to 675,368 and 1,069,428

Step by Step Solution

1. Step 1: Write the proportion equation
   675,368 : 1,069,428 = 1,069,428 : x
2. Step 2: Convert to fraction form
   675,368/1,069,428 = 1,069,428/x
3. Step 3: Cross multiply
   675,368x = 1,069,428 × 1,069,428
4. Step 4: Simplify right side
   675,368x = 1,143,676,247,184
5. Step 5: Solve for x
   x = 1,143,676,247,184/675,368
6. Step 6: Final answer
   x = 1,693,411.96