Finding the Third Proportional to 1,712,736 and 3,688,560

Step by Step Solution

1. Step 1: Write the proportion equation
   1,712,736 : 3,688,560 = 3,688,560 : x
2. Step 2: Convert to fraction form
   1,712,736/3,688,560 = 3,688,560/x
3. Step 3: Cross multiply
   1,712,736x = 3,688,560 × 3,688,560
4. Step 4: Simplify right side
   1,712,736x = 13,605,474,873,600
5. Step 5: Solve for x
   x = 13,605,474,873,600/1,712,736
6. Step 6: Final answer
   x = 7,943,708.12