Finding the Third Proportional to 380,426.63 and 899,667

Step by Step Solution

1. Step 1: Write the proportion equation
   380,426.63 : 899,667 = 899,667 : x
2. Step 2: Convert to fraction form
   380,426.63/899,667 = 899,667/x
3. Step 3: Cross multiply
   380,426.63x = 899,667 × 899,667
4. Step 4: Simplify right side
   380,426.63x = 809,400,710,889
5. Step 5: Solve for x
   x = 809,400,710,889/380,426.63
6. Step 6: Final answer
   x = 2,127,613.21