Finding the Third Proportional to 688,690 and 1,460,748

Step by Step Solution

1. Step 1: Write the proportion equation
   688,690 : 1,460,748 = 1,460,748 : x
2. Step 2: Convert to fraction form
   688,690/1,460,748 = 1,460,748/x
3. Step 3: Cross multiply
   688,690x = 1,460,748 × 1,460,748
4. Step 4: Simplify right side
   688,690x = 2,133,784,719,504
5. Step 5: Solve for x
   x = 2,133,784,719,504/688,690
6. Step 6: Final answer
   x = 3,098,323.95