Finding the Third Proportional to 192,585 and 429,427.50

Step by Step Solution

1. Step 1: Write the proportion equation
   192,585 : 429,427.50 = 429,427.50 : x
2. Step 2: Convert to fraction form
   192,585/429,427.50 = 429,427.50/x
3. Step 3: Cross multiply
   192,585x = 429,427.50 × 429,427.50
4. Step 4: Simplify right side
   192,585x = 184,407,977,756.25
5. Step 5: Solve for x
   x = 184,407,977,756.25/192,585
6. Step 6: Final answer
   x = 957,540.71