Finding the Third Proportional to 698,660 and 1,423,012

Step by Step Solution

1. Step 1: Write the proportion equation
   698,660 : 1,423,012 = 1,423,012 : x
2. Step 2: Convert to fraction form
   698,660/1,423,012 = 1,423,012/x
3. Step 3: Cross multiply
   698,660x = 1,423,012 × 1,423,012
4. Step 4: Simplify right side
   698,660x = 2,024,963,152,144
5. Step 5: Solve for x
   x = 2,024,963,152,144/698,660
6. Step 6: Final answer
   x = 2,898,352.78