Finding the Third Proportional to 666,424 and 1,451,168

Step by Step Solution

1. Step 1: Write the proportion equation
   666,424 : 1,451,168 = 1,451,168 : x
2. Step 2: Convert to fraction form
   666,424/1,451,168 = 1,451,168/x
3. Step 3: Cross multiply
   666,424x = 1,451,168 × 1,451,168
4. Step 4: Simplify right side
   666,424x = 2,105,888,564,224
5. Step 5: Solve for x
   x = 2,105,888,564,224/666,424
6. Step 6: Final answer
   x = 3,159,983.08