Finding the Third Proportional to 2,071,272 and 4,430,409

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071,272 : 4,430,409 = 4,430,409 : x
2. Step 2: Convert to fraction form
   2,071,272/4,430,409 = 4,430,409/x
3. Step 3: Cross multiply
   2,071,272x = 4,430,409 × 4,430,409
4. Step 4: Simplify right side
   2,071,272x = 19,628,523,907,281
5. Step 5: Solve for x
   x = 19,628,523,907,281/2,071,272
6. Step 6: Final answer
   x = 9,476,555.42