Finding the Third Proportional to 2,731,272 and 4,220,100

Step by Step Solution

1. Step 1: Write the proportion equation
   2,731,272 : 4,220,100 = 4,220,100 : x
2. Step 2: Convert to fraction form
   2,731,272/4,220,100 = 4,220,100/x
3. Step 3: Cross multiply
   2,731,272x = 4,220,100 × 4,220,100
4. Step 4: Simplify right side
   2,731,272x = 17,809,244,010,000
5. Step 5: Solve for x
   x = 17,809,244,010,000/2,731,272
6. Step 6: Final answer
   x = 6,520,494.48