Finding the Third Proportional to 1,921,410 and 4,127,736

Step by Step Solution

1. Step 1: Write the proportion equation
   1,921,410 : 4,127,736 = 4,127,736 : x
2. Step 2: Convert to fraction form
   1,921,410/4,127,736 = 4,127,736/x
3. Step 3: Cross multiply
   1,921,410x = 4,127,736 × 4,127,736
4. Step 4: Simplify right side
   1,921,410x = 17,038,204,485,696
5. Step 5: Solve for x
   x = 17,038,204,485,696/1,921,410
6. Step 6: Final answer
   x = 8,867,552.73