Finding the Third Proportional to 612,366 and 1,329,708

Step by Step Solution

1. Step 1: Write the proportion equation
   612,366 : 1,329,708 = 1,329,708 : x
2. Step 2: Convert to fraction form
   612,366/1,329,708 = 1,329,708/x
3. Step 3: Cross multiply
   612,366x = 1,329,708 × 1,329,708
4. Step 4: Simplify right side
   612,366x = 1,768,123,365,264
5. Step 5: Solve for x
   x = 1,768,123,365,264/612,366
6. Step 6: Final answer
   x = 2,887,363.71