Finding the Third Proportional to 666,370 and 949,710

Step by Step Solution

1. Step 1: Write the proportion equation
   666,370 : 949,710 = 949,710 : x
2. Step 2: Convert to fraction form
   666,370/949,710 = 949,710/x
3. Step 3: Cross multiply
   666,370x = 949,710 × 949,710
4. Step 4: Simplify right side
   666,370x = 901,949,084,100
5. Step 5: Solve for x
   x = 901,949,084,100/666,370
6. Step 6: Final answer
   x = 1,353,525.95