Finding the Third Proportional to 19,951,436 and 42,886,492

Step by Step Solution

1. Step 1: Write the proportion equation
   19,951,436 : 42,886,492 = 42,886,492 : x
2. Step 2: Convert to fraction form
   19,951,436/42,886,492 = 42,886,492/x
3. Step 3: Cross multiply
   19,951,436x = 42,886,492 × 42,886,492
4. Step 4: Simplify right side
   19,951,436x = 1,839,251,196,066,064
5. Step 5: Solve for x
   x = 1,839,251,196,066,064/19,951,436
6. Step 6: Final answer
   x = 92,186,406.84