Finding the Third Proportional to 1,230,222 and 2,662,620

Step by Step Solution

1. Step 1: Write the proportion equation
   1,230,222 : 2,662,620 = 2,662,620 : x
2. Step 2: Convert to fraction form
   1,230,222/2,662,620 = 2,662,620/x
3. Step 3: Cross multiply
   1,230,222x = 2,662,620 × 2,662,620
4. Step 4: Simplify right side
   1,230,222x = 7,089,545,264,400
5. Step 5: Solve for x
   x = 7,089,545,264,400/1,230,222
6. Step 6: Final answer
   x = 5,762,817.82