Finding the Third Proportional to 830,736 and 1,290,168

Step by Step Solution

1. Step 1: Write the proportion equation
   830,736 : 1,290,168 = 1,290,168 : x
2. Step 2: Convert to fraction form
   830,736/1,290,168 = 1,290,168/x
3. Step 3: Cross multiply
   830,736x = 1,290,168 × 1,290,168
4. Step 4: Simplify right side
   830,736x = 1,664,533,468,224
5. Step 5: Solve for x
   x = 1,664,533,468,224/830,736
6. Step 6: Final answer
   x = 2,003,685.25