Finding the Third Proportional to 377,469 and 550,633.50

Step by Step Solution

1. Step 1: Write the proportion equation
   377,469 : 550,633.50 = 550,633.50 : x
2. Step 2: Convert to fraction form
   377,469/550,633.50 = 550,633.50/x
3. Step 3: Cross multiply
   377,469x = 550,633.50 × 550,633.50
4. Step 4: Simplify right side
   377,469x = 303,197,251,322.25
5. Step 5: Solve for x
   x = 303,197,251,322.25/377,469
6. Step 6: Final answer
   x = 803,237.49