Finding the Third Proportional to 19,951,317 and 42,886,269

Step by Step Solution

1. Step 1: Write the proportion equation
   19,951,317 : 42,886,269 = 42,886,269 : x
2. Step 2: Convert to fraction form
   19,951,317/42,886,269 = 42,886,269/x
3. Step 3: Cross multiply
   19,951,317x = 42,886,269 × 42,886,269
4. Step 4: Simplify right side
   19,951,317x = 1,839,232,068,740,361
5. Step 5: Solve for x
   x = 1,839,232,068,740,361/19,951,317
6. Step 6: Final answer
   x = 92,185,997.98