Finding the Third Proportional to 878,715 and 1,917,810

Step by Step Solution

1. Step 1: Write the proportion equation
   878,715 : 1,917,810 = 1,917,810 : x
2. Step 2: Convert to fraction form
   878,715/1,917,810 = 1,917,810/x
3. Step 3: Cross multiply
   878,715x = 1,917,810 × 1,917,810
4. Step 4: Simplify right side
   878,715x = 3,677,995,196,100
5. Step 5: Solve for x
   x = 3,677,995,196,100/878,715
6. Step 6: Final answer
   x = 4,185,652.00