Finding the Third Proportional to 698,936 and 1,642,892

Step by Step Solution

1. Step 1: Write the proportion equation
   698,936 : 1,642,892 = 1,642,892 : x
2. Step 2: Convert to fraction form
   698,936/1,642,892 = 1,642,892/x
3. Step 3: Cross multiply
   698,936x = 1,642,892 × 1,642,892
4. Step 4: Simplify right side
   698,936x = 2,699,094,123,664
5. Step 5: Solve for x
   x = 2,699,094,123,664/698,936
6. Step 6: Final answer
   x = 3,861,718.56