Finding the Third Proportional to 5,785,931,079 and 12,558,216,654

Step by Step Solution

1. Step 1: Write the proportion equation
   5,785,931,079 : 12,558,216,654 = 12,558,216,654 : x
2. Step 2: Convert to fraction form
   5,785,931,079/12,558,216,654 = 12,558,216,654/x
3. Step 3: Cross multiply
   5,785,931,079x = 12,558,216,654 × 12,558,216,654
4. Step 4: Simplify right side
   5,785,931,079x = 157,708,805,528,802,951,168
5. Step 5: Solve for x
   x = 157,708,805,528,802,951,168/5,785,931,079
6. Step 6: Final answer
   x = 27,257,290,723.91