Finding the Third Proportional to 17,945,728,460 and 39,268,744,819

Step by Step Solution

1. Step 1: Write the proportion equation
   17,945,728,460 : 39,268,744,819 = 39,268,744,819 : x
2. Step 2: Convert to fraction form
   17,945,728,460/39,268,744,819 = 39,268,744,819/x
3. Step 3: Cross multiply
   17,945,728,460x = 39,268,744,819 × 39,268,744,819
4. Step 4: Simplify right side
   17,945,728,460x = 1,542,034,319,659,739,381,760
5. Step 5: Solve for x
   x = 1,542,034,319,659,739,381,760/17,945,728,460
6. Step 6: Final answer
   x = 85,927,652,538.42