Finding the Third Proportional to 1,220,566 and 2,658,112

Step by Step Solution

1. Step 1: Write the proportion equation
   1,220,566 : 2,658,112 = 2,658,112 : x
2. Step 2: Convert to fraction form
   1,220,566/2,658,112 = 2,658,112/x
3. Step 3: Cross multiply
   1,220,566x = 2,658,112 × 2,658,112
4. Step 4: Simplify right side
   1,220,566x = 7,065,559,404,544
5. Step 5: Solve for x
   x = 7,065,559,404,544/1,220,566
6. Step 6: Final answer
   x = 5,788,756.53