Finding the Third Proportional to 666,499 and 952,426

Step by Step Solution

1. Step 1: Write the proportion equation
   666,499 : 952,426 = 952,426 : x
2. Step 2: Convert to fraction form
   666,499/952,426 = 952,426/x
3. Step 3: Cross multiply
   666,499x = 952,426 × 952,426
4. Step 4: Simplify right side
   666,499x = 907,115,285,476
5. Step 5: Solve for x
   x = 907,115,285,476/666,499
6. Step 6: Final answer
   x = 1,361,015.22