Finding the Third Proportional to 3,686,124,804.50 and 8,123,599,234.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686,124,804.50 : 8,123,599,234.50 = 8,123,599,234.50 : x
2. Step 2: Convert to fraction form
   3,686,124,804.50/8,123,599,234.50 = 8,123,599,234.50/x
3. Step 3: Cross multiply
   3,686,124,804.50x = 8,123,599,234.50 × 8,123,599,234.50
4. Step 4: Simplify right side
   3,686,124,804.50x = 65,992,864,522,768,982,016
5. Step 5: Solve for x
   x = 65,992,864,522,768,982,016/3,686,124,804.50
6. Step 6: Final answer
   x = 17,903,046,701.57