Finding the Third Proportional to 631,662 and 971,890

Step by Step Solution

1. Step 1: Write the proportion equation
   631,662 : 971,890 = 971,890 : x
2. Step 2: Convert to fraction form
   631,662/971,890 = 971,890/x
3. Step 3: Cross multiply
   631,662x = 971,890 × 971,890
4. Step 4: Simplify right side
   631,662x = 944,570,172,100
5. Step 5: Solve for x
   x = 944,570,172,100/631,662
6. Step 6: Final answer
   x = 1,495,372.80