Finding the Third Proportional to 30,858,754.50 and 42,031,064.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,858,754.50 : 42,031,064.25 = 42,031,064.25 : x
2. Step 2: Convert to fraction form
   30,858,754.50/42,031,064.25 = 42,031,064.25/x
3. Step 3: Cross multiply
   30,858,754.50x = 42,031,064.25 × 42,031,064.25
4. Step 4: Simplify right side
   30,858,754.50x = 1,766,610,361,987,628
5. Step 5: Solve for x
   x = 1,766,610,361,987,628/30,858,754.50
6. Step 6: Final answer
   x = 57,248,271.70