Finding the Third Proportional to 30,858,768 and 42,031,092

Step by Step Solution

1. Step 1: Write the proportion equation
   30,858,768 : 42,031,092 = 42,031,092 : x
2. Step 2: Convert to fraction form
   30,858,768/42,031,092 = 42,031,092/x
3. Step 3: Cross multiply
   30,858,768x = 42,031,092 × 42,031,092
4. Step 4: Simplify right side
   30,858,768x = 1,766,612,694,712,464
5. Step 5: Solve for x
   x = 1,766,612,694,712,464/30,858,768
6. Step 6: Final answer
   x = 57,248,322.25