Finding the Third Proportional to 404,160 and 634,056

Step by Step Solution

1. Step 1: Write the proportion equation
   404,160 : 634,056 = 634,056 : x
2. Step 2: Convert to fraction form
   404,160/634,056 = 634,056/x
3. Step 3: Cross multiply
   404,160x = 634,056 × 634,056
4. Step 4: Simplify right side
   404,160x = 402,027,011,136
5. Step 5: Solve for x
   x = 402,027,011,136/404,160
6. Step 6: Final answer
   x = 994,722.41