Finding the Third Proportional to 926,316 and 1,407,456

Step by Step Solution

1. Step 1: Write the proportion equation
   926,316 : 1,407,456 = 1,407,456 : x
2. Step 2: Convert to fraction form
   926,316/1,407,456 = 1,407,456/x
3. Step 3: Cross multiply
   926,316x = 1,407,456 × 1,407,456
4. Step 4: Simplify right side
   926,316x = 1,980,932,391,936
5. Step 5: Solve for x
   x = 1,980,932,391,936/926,316
6. Step 6: Final answer
   x = 2,138,506.07