Finding the Third Proportional to 30,858,759 and 42,031,071

Step by Step Solution

1. Step 1: Write the proportion equation
   30,858,759 : 42,031,071 = 42,031,071 : x
2. Step 2: Convert to fraction form
   30,858,759/42,031,071 = 42,031,071/x
3. Step 3: Cross multiply
   30,858,759x = 42,031,071 × 42,031,071
4. Step 4: Simplify right side
   30,858,759x = 1,766,610,929,407,041
5. Step 5: Solve for x
   x = 1,766,610,929,407,041/30,858,759
6. Step 6: Final answer
   x = 57,248,281.74