Finding the Third Proportional to 429,245.50 and 893,818.50

Step by Step Solution

1. Step 1: Write the proportion equation
   429,245.50 : 893,818.50 = 893,818.50 : x
2. Step 2: Convert to fraction form
   429,245.50/893,818.50 = 893,818.50/x
3. Step 3: Cross multiply
   429,245.50x = 893,818.50 × 893,818.50
4. Step 4: Simplify right side
   429,245.50x = 798,911,510,942.25
5. Step 5: Solve for x
   x = 798,911,510,942.25/429,245.50
6. Step 6: Final answer
   x = 1,861,199.50