Finding the Third Proportional to 19,666,090,474 and 43,254,813,398

Step by Step Solution

1. Step 1: Write the proportion equation
   19,666,090,474 : 43,254,813,398 = 43,254,813,398 : x
2. Step 2: Convert to fraction form
   19,666,090,474/43,254,813,398 = 43,254,813,398/x
3. Step 3: Cross multiply
   19,666,090,474x = 43,254,813,398 × 43,254,813,398
4. Step 4: Simplify right side
   19,666,090,474x = 1,870,978,882,095,800,385,536
5. Step 5: Solve for x
   x = 1,870,978,882,095,800,385,536/19,666,090,474
6. Step 6: Final answer
   x = 95,137,306,754.96