Finding the Third Proportional to 607,868 and 1,407,222

Step by Step Solution

1. Step 1: Write the proportion equation
   607,868 : 1,407,222 = 1,407,222 : x
2. Step 2: Convert to fraction form
   607,868/1,407,222 = 1,407,222/x
3. Step 3: Cross multiply
   607,868x = 1,407,222 × 1,407,222
4. Step 4: Simplify right side
   607,868x = 1,980,273,757,284
5. Step 5: Solve for x
   x = 1,980,273,757,284/607,868
6. Step 6: Final answer
   x = 3,257,736.48