Finding the Third Proportional to 3,977,008 and 5,622,072

Step by Step Solution

1. Step 1: Write the proportion equation
   3,977,008 : 5,622,072 = 5,622,072 : x
2. Step 2: Convert to fraction form
   3,977,008/5,622,072 = 5,622,072/x
3. Step 3: Cross multiply
   3,977,008x = 5,622,072 × 5,622,072
4. Step 4: Simplify right side
   3,977,008x = 31,607,693,573,184
5. Step 5: Solve for x
   x = 31,607,693,573,184/3,977,008
6. Step 6: Final answer
   x = 7,947,606.23