Finding the Third Proportional to 380,475 and 899,788.50

Step by Step Solution

1. Step 1: Write the proportion equation
   380,475 : 899,788.50 = 899,788.50 : x
2. Step 2: Convert to fraction form
   380,475/899,788.50 = 899,788.50/x
3. Step 3: Cross multiply
   380,475x = 899,788.50 × 899,788.50
4. Step 4: Simplify right side
   380,475x = 809,619,344,732.25
5. Step 5: Solve for x
   x = 809,619,344,732.25/380,475
6. Step 6: Final answer
   x = 2,127,917.33