Finding the Third Proportional to 195,061.50 and 419,221.50

Step by Step Solution

1. Step 1: Write the proportion equation
   195,061.50 : 419,221.50 = 419,221.50 : x
2. Step 2: Convert to fraction form
   195,061.50/419,221.50 = 419,221.50/x
3. Step 3: Cross multiply
   195,061.50x = 419,221.50 × 419,221.50
4. Step 4: Simplify right side
   195,061.50x = 175,746,666,062.25
5. Step 5: Solve for x
   x = 175,746,666,062.25/195,061.50
6. Step 6: Final answer
   x = 900,980.80