Finding the Third Proportional to 5,196,670,740 and 10,668,832,780.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196,670,740 : 10,668,832,780.50 = 10,668,832,780.50 : x
2. Step 2: Convert to fraction form
   5,196,670,740/10,668,832,780.50 = 10,668,832,780.50/x
3. Step 3: Cross multiply
   5,196,670,740x = 10,668,832,780.50 × 10,668,832,780.50
4. Step 4: Simplify right side
   5,196,670,740x = 113,823,992,898,271,363,072
5. Step 5: Solve for x
   x = 113,823,992,898,271,363,072/5,196,670,740
6. Step 6: Final answer
   x = 21,903,252,792.63