Finding the Third Proportional to 9,357,856,796.50 and 20,807,996,816

Step by Step Solution

1. Step 1: Write the proportion equation
   9,357,856,796.50 : 20,807,996,816 = 20,807,996,816 : x
2. Step 2: Convert to fraction form
   9,357,856,796.50/20,807,996,816 = 20,807,996,816/x
3. Step 3: Cross multiply
   9,357,856,796.50x = 20,807,996,816 × 20,807,996,816
4. Step 4: Simplify right side
   9,357,856,796.50x = 432,972,731,494,666,141,696
5. Step 5: Solve for x
   x = 432,972,731,494,666,141,696/9,357,856,796.50
6. Step 6: Final answer
   x = 46,268,364,745.29