Finding the Third Proportional to 19,804,984 and 42,538,433

Step by Step Solution

1. Step 1: Write the proportion equation
   19,804,984 : 42,538,433 = 42,538,433 : x
2. Step 2: Convert to fraction form
   19,804,984/42,538,433 = 42,538,433/x
3. Step 3: Cross multiply
   19,804,984x = 42,538,433 × 42,538,433
4. Step 4: Simplify right side
   19,804,984x = 1,809,518,282,095,489
5. Step 5: Solve for x
   x = 1,809,518,282,095,489/19,804,984
6. Step 6: Final answer
   x = 91,366,813.63