Finding the Third Proportional to 3,111,258 and 4,666,971

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111,258 : 4,666,971 = 4,666,971 : x
2. Step 2: Convert to fraction form
   3,111,258/4,666,971 = 4,666,971/x
3. Step 3: Cross multiply
   3,111,258x = 4,666,971 × 4,666,971
4. Step 4: Simplify right side
   3,111,258x = 21,780,618,314,841
5. Step 5: Solve for x
   x = 21,780,618,314,841/3,111,258
6. Step 6: Final answer
   x = 7,000,582.50