Finding the Third Proportional to 57,553,008,012 and 86,329,506,162

Step by Step Solution

1. Step 1: Write the proportion equation
   57,553,008,012 : 86,329,506,162 = 86,329,506,162 : x
2. Step 2: Convert to fraction form
   57,553,008,012/86,329,506,162 = 86,329,506,162/x
3. Step 3: Cross multiply
   57,553,008,012x = 86,329,506,162 × 86,329,506,162
4. Step 4: Simplify right side
   57,553,008,012x = 7,452,783,634,174,795,841,536
5. Step 5: Solve for x
   x = 7,452,783,634,174,795,841,536/57,553,008,012
6. Step 6: Final answer
   x = 129,494,250,459.00