Finding the Third Proportional to 404,088 and 633,900

Step by Step Solution

1. Step 1: Write the proportion equation
   404,088 : 633,900 = 633,900 : x
2. Step 2: Convert to fraction form
   404,088/633,900 = 633,900/x
3. Step 3: Cross multiply
   404,088x = 633,900 × 633,900
4. Step 4: Simplify right side
   404,088x = 401,829,210,000
5. Step 5: Solve for x
   x = 401,829,210,000/404,088
6. Step 6: Final answer
   x = 994,410.15