Finding the Third Proportional to 19,580,828 and 42,415,966

Step by Step Solution

1. Step 1: Write the proportion equation
   19,580,828 : 42,415,966 = 42,415,966 : x
2. Step 2: Convert to fraction form
   19,580,828/42,415,966 = 42,415,966/x
3. Step 3: Cross multiply
   19,580,828x = 42,415,966 × 42,415,966
4. Step 4: Simplify right side
   19,580,828x = 1,799,114,171,713,156
5. Step 5: Solve for x
   x = 1,799,114,171,713,156/19,580,828
6. Step 6: Final answer
   x = 91,881,414.40