Finding the Third Proportional to 5,785,916,499 and 12,558,187,494

Step by Step Solution

1. Step 1: Write the proportion equation
   5,785,916,499 : 12,558,187,494 = 12,558,187,494 : x
2. Step 2: Convert to fraction form
   5,785,916,499/12,558,187,494 = 12,558,187,494/x
3. Step 3: Cross multiply
   5,785,916,499x = 12,558,187,494 × 12,558,187,494
4. Step 4: Simplify right side
   5,785,916,499x = 157,708,073,134,458,011,648
5. Step 5: Solve for x
   x = 157,708,073,134,458,011,648/5,785,916,499
6. Step 6: Final answer
   x = 27,257,232,827.63