Finding the Third Proportional to 815,152 and 1,918,016

Step by Step Solution

1. Step 1: Write the proportion equation
   815,152 : 1,918,016 = 1,918,016 : x
2. Step 2: Convert to fraction form
   815,152/1,918,016 = 1,918,016/x
3. Step 3: Cross multiply
   815,152x = 1,918,016 × 1,918,016
4. Step 4: Simplify right side
   815,152x = 3,678,785,376,256
5. Step 5: Solve for x
   x = 3,678,785,376,256/815,152
6. Step 6: Final answer
   x = 4,513,005.40