Finding the Third Proportional to 30,858,764 and 42,031,075

Step by Step Solution

1. Step 1: Write the proportion equation
   30,858,764 : 42,031,075 = 42,031,075 : x
2. Step 2: Convert to fraction form
   30,858,764/42,031,075 = 42,031,075/x
3. Step 3: Cross multiply
   30,858,764x = 42,031,075 × 42,031,075
4. Step 4: Simplify right side
   30,858,764x = 1,766,611,265,655,625
5. Step 5: Solve for x
   x = 1,766,611,265,655,625/30,858,764
6. Step 6: Final answer
   x = 57,248,283.36