Finding the Third Proportional to 19,903,325 and 42,573,907

Step by Step Solution

1. Step 1: Write the proportion equation
   19,903,325 : 42,573,907 = 42,573,907 : x
2. Step 2: Convert to fraction form
   19,903,325/42,573,907 = 42,573,907/x
3. Step 3: Cross multiply
   19,903,325x = 42,573,907 × 42,573,907
4. Step 4: Simplify right side
   19,903,325x = 1,812,537,557,244,649
5. Step 5: Solve for x
   x = 1,812,537,557,244,649/19,903,325
6. Step 6: Final answer
   x = 91,067,073.33