Finding the Third Proportional to 612,364 and 1,329,704

Step by Step Solution

1. Step 1: Write the proportion equation
   612,364 : 1,329,704 = 1,329,704 : x
2. Step 2: Convert to fraction form
   612,364/1,329,704 = 1,329,704/x
3. Step 3: Cross multiply
   612,364x = 1,329,704 × 1,329,704
4. Step 4: Simplify right side
   612,364x = 1,768,112,727,616
5. Step 5: Solve for x
   x = 1,768,112,727,616/612,364
6. Step 6: Final answer
   x = 2,887,355.77