Finding the Third Proportional to 19,951,385 and 42,886,391

Step by Step Solution

1. Step 1: Write the proportion equation
   19,951,385 : 42,886,391 = 42,886,391 : x
2. Step 2: Convert to fraction form
   19,951,385/42,886,391 = 42,886,391/x
3. Step 3: Cross multiply
   19,951,385x = 42,886,391 × 42,886,391
4. Step 4: Simplify right side
   19,951,385x = 1,839,242,533,004,881
5. Step 5: Solve for x
   x = 1,839,242,533,004,881/19,951,385
6. Step 6: Final answer
   x = 92,186,208.28