Finding the Third Proportional to 3,789,812,869 and 8,451,026,532

Step by Step Solution

1. Step 1: Write the proportion equation
   3,789,812,869 : 8,451,026,532 = 8,451,026,532 : x
2. Step 2: Convert to fraction form
   3,789,812,869/8,451,026,532 = 8,451,026,532/x
3. Step 3: Cross multiply
   3,789,812,869x = 8,451,026,532 × 8,451,026,532
4. Step 4: Simplify right side
   3,789,812,869x = 71,419,849,444,567,949,312
5. Step 5: Solve for x
   x = 71,419,849,444,567,949,312/3,789,812,869
6. Step 6: Final answer
   x = 18,845,217,933.79