Finding the Third Proportional to 404,200.50 and 634,074

Step by Step Solution

1. Step 1: Write the proportion equation
   404,200.50 : 634,074 = 634,074 : x
2. Step 2: Convert to fraction form
   404,200.50/634,074 = 634,074/x
3. Step 3: Cross multiply
   404,200.50x = 634,074 × 634,074
4. Step 4: Simplify right side
   404,200.50x = 402,049,837,476
5. Step 5: Solve for x
   x = 402,049,837,476/404,200.50
6. Step 6: Final answer
   x = 994,679.22