Finding the Third Proportional to 612,756 and 1,296,168

Step by Step Solution

1. Step 1: Write the proportion equation
   612,756 : 1,296,168 = 1,296,168 : x
2. Step 2: Convert to fraction form
   612,756/1,296,168 = 1,296,168/x
3. Step 3: Cross multiply
   612,756x = 1,296,168 × 1,296,168
4. Step 4: Simplify right side
   612,756x = 1,680,051,484,224
5. Step 5: Solve for x
   x = 1,680,051,484,224/612,756
6. Step 6: Final answer
   x = 2,741,795.24