Finding the Third Proportional to 631,321.50 and 947,712

Step by Step Solution

1. Step 1: Write the proportion equation
   631,321.50 : 947,712 = 947,712 : x
2. Step 2: Convert to fraction form
   631,321.50/947,712 = 947,712/x
3. Step 3: Cross multiply
   631,321.50x = 947,712 × 947,712
4. Step 4: Simplify right side
   631,321.50x = 898,158,034,944
5. Step 5: Solve for x
   x = 898,158,034,944/631,321.50
6. Step 6: Final answer
   x = 1,422,663.47