Finding the Third Proportional to 1,115,012 and 1,772,208

Step by Step Solution

1. Step 1: Write the proportion equation
   1,115,012 : 1,772,208 = 1,772,208 : x
2. Step 2: Convert to fraction form
   1,115,012/1,772,208 = 1,772,208/x
3. Step 3: Cross multiply
   1,115,012x = 1,772,208 × 1,772,208
4. Step 4: Simplify right side
   1,115,012x = 3,140,721,195,264
5. Step 5: Solve for x
   x = 3,140,721,195,264/1,115,012
6. Step 6: Final answer
   x = 2,816,759.99