Finding the Third Proportional to 468,407 and 1,007,857

Step by Step Solution

1. Step 1: Write the proportion equation
   468,407 : 1,007,857 = 1,007,857 : x
2. Step 2: Convert to fraction form
   468,407/1,007,857 = 1,007,857/x
3. Step 3: Cross multiply
   468,407x = 1,007,857 × 1,007,857
4. Step 4: Simplify right side
   468,407x = 1,015,775,732,449
5. Step 5: Solve for x
   x = 1,015,775,732,449/468,407
6. Step 6: Final answer
   x = 2,168,575.05