Finding the Third Proportional to 19,479,324 and 30,279,978

Step by Step Solution

1. Step 1: Write the proportion equation
   19,479,324 : 30,279,978 = 30,279,978 : x
2. Step 2: Convert to fraction form
   19,479,324/30,279,978 = 30,279,978/x
3. Step 3: Cross multiply
   19,479,324x = 30,279,978 × 30,279,978
4. Step 4: Simplify right side
   19,479,324x = 916,877,067,680,484
5. Step 5: Solve for x
   x = 916,877,067,680,484/19,479,324
6. Step 6: Final answer
   x = 47,069,244.69