Finding the Third Proportional to 19,804,977.56 and 42,538,422.38

Step by Step Solution

1. Step 1: Write the proportion equation
   19,804,977.56 : 42,538,422.38 = 42,538,422.38 : x
2. Step 2: Convert to fraction form
   19,804,977.56/42,538,422.38 = 42,538,422.38/x
3. Step 3: Cross multiply
   19,804,977.56x = 42,538,422.38 × 42,538,422.38
4. Step 4: Simplify right side
   19,804,977.56x = 1,809,517,378,153,900.75
5. Step 5: Solve for x
   x = 1,809,517,378,153,900.75/19,804,977.56
6. Step 6: Final answer
   x = 91,366,797.69