Finding the Third Proportional to 195,399 and 426,154.50

Step by Step Solution

1. Step 1: Write the proportion equation
   195,399 : 426,154.50 = 426,154.50 : x
2. Step 2: Convert to fraction form
   195,399/426,154.50 = 426,154.50/x
3. Step 3: Cross multiply
   195,399x = 426,154.50 × 426,154.50
4. Step 4: Simplify right side
   195,399x = 181,607,657,870.25
5. Step 5: Solve for x
   x = 181,607,657,870.25/195,399
6. Step 6: Final answer
   x = 929,419.59