Finding the Third Proportional to 195,979.50 and 429,320.25

Step by Step Solution

1. Step 1: Write the proportion equation
   195,979.50 : 429,320.25 = 429,320.25 : x
2. Step 2: Convert to fraction form
   195,979.50/429,320.25 = 429,320.25/x
3. Step 3: Cross multiply
   195,979.50x = 429,320.25 × 429,320.25
4. Step 4: Simplify right side
   195,979.50x = 184,315,877,060.06
5. Step 5: Solve for x
   x = 184,315,877,060.06/195,979.50
6. Step 6: Final answer
   x = 940,485.49