Finding the Third Proportional to 631,047 and 850,288.50

Step by Step Solution

1. Step 1: Write the proportion equation
   631,047 : 850,288.50 = 850,288.50 : x
2. Step 2: Convert to fraction form
   631,047/850,288.50 = 850,288.50/x
3. Step 3: Cross multiply
   631,047x = 850,288.50 × 850,288.50
4. Step 4: Simplify right side
   631,047x = 722,990,533,232.25
5. Step 5: Solve for x
   x = 722,990,533,232.25/631,047
6. Step 6: Final answer
   x = 1,145,699.98