Finding the Third Proportional to 284,087 and 631,233.50

Step by Step Solution

1. Step 1: Write the proportion equation
   284,087 : 631,233.50 = 631,233.50 : x
2. Step 2: Convert to fraction form
   284,087/631,233.50 = 631,233.50/x
3. Step 3: Cross multiply
   284,087x = 631,233.50 × 631,233.50
4. Step 4: Simplify right side
   284,087x = 398,455,731,522.25
5. Step 5: Solve for x
   x = 398,455,731,522.25/284,087
6. Step 6: Final answer
   x = 1,402,583.47