Finding the Third Proportional to 666,116 and 1,015,860

Step by Step Solution

1. Step 1: Write the proportion equation
   666,116 : 1,015,860 = 1,015,860 : x
2. Step 2: Convert to fraction form
   666,116/1,015,860 = 1,015,860/x
3. Step 3: Cross multiply
   666,116x = 1,015,860 × 1,015,860
4. Step 4: Simplify right side
   666,116x = 1,031,971,539,600
5. Step 5: Solve for x
   x = 1,031,971,539,600/666,116
6. Step 6: Final answer
   x = 1,549,236.98