Finding the Third Proportional to 19,580,823 and 42,415,956

Step by Step Solution

1. Step 1: Write the proportion equation
   19,580,823 : 42,415,956 = 42,415,956 : x
2. Step 2: Convert to fraction form
   19,580,823/42,415,956 = 42,415,956/x
3. Step 3: Cross multiply
   19,580,823x = 42,415,956 × 42,415,956
4. Step 4: Simplify right side
   19,580,823x = 1,799,113,323,393,936
5. Step 5: Solve for x
   x = 1,799,113,323,393,936/19,580,823
6. Step 6: Final answer
   x = 91,881,394.54