Finding the Third Proportional to 19,951,432 and 42,886,484

Step by Step Solution

1. Step 1: Write the proportion equation
   19,951,432 : 42,886,484 = 42,886,484 : x
2. Step 2: Convert to fraction form
   19,951,432/42,886,484 = 42,886,484/x
3. Step 3: Cross multiply
   19,951,432x = 42,886,484 × 42,886,484
4. Step 4: Simplify right side
   19,951,432x = 1,839,250,509,882,256
5. Step 5: Solve for x
   x = 1,839,250,509,882,256/19,951,432
6. Step 6: Final answer
   x = 92,186,390.93