Finding the Third Proportional to 58,944,667,799 and 128,217,051,274

Step by Step Solution

1. Step 1: Write the proportion equation
   58,944,667,799 : 128,217,051,274 = 128,217,051,274 : x
2. Step 2: Convert to fraction form
   58,944,667,799/128,217,051,274 = 128,217,051,274/x
3. Step 3: Cross multiply
   58,944,667,799x = 128,217,051,274 × 128,217,051,274
4. Step 4: Simplify right side
   58,944,667,799x = 16,439,612,237,399,545,872,384
5. Step 5: Solve for x
   x = 16,439,612,237,399,545,872,384/58,944,667,799
6. Step 6: Final answer
   x = 278,899,056,543.30