Finding the Third Proportional to 737,190 and 990,643.50

Step by Step Solution

1. Step 1: Write the proportion equation
   737,190 : 990,643.50 = 990,643.50 : x
2. Step 2: Convert to fraction form
   737,190/990,643.50 = 990,643.50/x
3. Step 3: Cross multiply
   737,190x = 990,643.50 × 990,643.50
4. Step 4: Simplify right side
   737,190x = 981,374,544,092.25
5. Step 5: Solve for x
   x = 981,374,544,092.25/737,190
6. Step 6: Final answer
   x = 1,331,236.92