Finding the Third Proportional to 698,612 and 1,426,536

Step by Step Solution

1. Step 1: Write the proportion equation
   698,612 : 1,426,536 = 1,426,536 : x
2. Step 2: Convert to fraction form
   698,612/1,426,536 = 1,426,536/x
3. Step 3: Cross multiply
   698,612x = 1,426,536 × 1,426,536
4. Step 4: Simplify right side
   698,612x = 2,035,004,959,296
5. Step 5: Solve for x
   x = 2,035,004,959,296/698,612
6. Step 6: Final answer
   x = 2,912,925.86