Finding the Third Proportional to 19,838,481,809 and 42,832,834,969

Step by Step Solution

1. Step 1: Write the proportion equation
   19,838,481,809 : 42,832,834,969 = 42,832,834,969 : x
2. Step 2: Convert to fraction form
   19,838,481,809/42,832,834,969 = 42,832,834,969/x
3. Step 3: Cross multiply
   19,838,481,809x = 42,832,834,969 × 42,832,834,969
4. Step 4: Simplify right side
   19,838,481,809x = 1,834,651,751,481,589,104,640
5. Step 5: Solve for x
   x = 1,834,651,751,481,589,104,640/19,838,481,809
6. Step 6: Final answer
   x = 92,479,443,192.54