Finding the Third Proportional to 631,321 and 947,710

Step by Step Solution

1. Step 1: Write the proportion equation
   631,321 : 947,710 = 947,710 : x
2. Step 2: Convert to fraction form
   631,321/947,710 = 947,710/x
3. Step 3: Cross multiply
   631,321x = 947,710 × 947,710
4. Step 4: Simplify right side
   631,321x = 898,154,244,100
5. Step 5: Solve for x
   x = 898,154,244,100/631,321
6. Step 6: Final answer
   x = 1,422,658.59