Finding the Third Proportional to 631,242 and 913,693.50

Step by Step Solution

1. Step 1: Write the proportion equation
   631,242 : 913,693.50 = 913,693.50 : x
2. Step 2: Convert to fraction form
   631,242/913,693.50 = 913,693.50/x
3. Step 3: Cross multiply
   631,242x = 913,693.50 × 913,693.50
4. Step 4: Simplify right side
   631,242x = 834,835,811,942.25
5. Step 5: Solve for x
   x = 834,835,811,942.25/631,242
6. Step 6: Final answer
   x = 1,322,528.94