Finding the Third Proportional to 404,199.28 and 634,068.42

Step by Step Solution

1. Step 1: Write the proportion equation
   404,199.28 : 634,068.42 = 634,068.42 : x
2. Step 2: Convert to fraction form
   404,199.28/634,068.42 = 634,068.42/x
3. Step 3: Cross multiply
   404,199.28x = 634,068.42 × 634,068.42
4. Step 4: Simplify right side
   404,199.28x = 402,042,763,619.05
5. Step 5: Solve for x
   x = 402,042,763,619.05/404,199.28
6. Step 6: Final answer
   x = 994,664.72