Finding the Third Proportional to 9,046,890 and 19,510,956

Step by Step Solution

1. Step 1: Write the proportion equation
   9,046,890 : 19,510,956 = 19,510,956 : x
2. Step 2: Convert to fraction form
   9,046,890/19,510,956 = 19,510,956/x
3. Step 3: Cross multiply
   9,046,890x = 19,510,956 × 19,510,956
4. Step 4: Simplify right side
   9,046,890x = 380,677,404,033,936
5. Step 5: Solve for x
   x = 380,677,404,033,936/9,046,890
6. Step 6: Final answer
   x = 42,078,261.59