Finding the Third Proportional to 30,858,764.50 and 42,031,079

Step by Step Solution

1. Step 1: Write the proportion equation
   30,858,764.50 : 42,031,079 = 42,031,079 : x
2. Step 2: Convert to fraction form
   30,858,764.50/42,031,079 = 42,031,079/x
3. Step 3: Cross multiply
   30,858,764.50x = 42,031,079 × 42,031,079
4. Step 4: Simplify right side
   30,858,764.50x = 1,766,611,601,904,241
5. Step 5: Solve for x
   x = 1,766,611,601,904,241/30,858,764.50
6. Step 6: Final answer
   x = 57,248,293.33