Finding the Third Proportional to 688,916 and 1,006,154

Step by Step Solution

1. Step 1: Write the proportion equation
   688,916 : 1,006,154 = 1,006,154 : x
2. Step 2: Convert to fraction form
   688,916/1,006,154 = 1,006,154/x
3. Step 3: Cross multiply
   688,916x = 1,006,154 × 1,006,154
4. Step 4: Simplify right side
   688,916x = 1,012,345,871,716
5. Step 5: Solve for x
   x = 1,012,345,871,716/688,916
6. Step 6: Final answer
   x = 1,469,476.50