Finding the Third Proportional to 19,838,481,807 and 42,832,834,965

Step by Step Solution

1. Step 1: Write the proportion equation
   19,838,481,807 : 42,832,834,965 = 42,832,834,965 : x
2. Step 2: Convert to fraction form
   19,838,481,807/42,832,834,965 = 42,832,834,965/x
3. Step 3: Cross multiply
   19,838,481,807x = 42,832,834,965 × 42,832,834,965
4. Step 4: Simplify right side
   19,838,481,807x = 1,834,651,751,138,926,526,464
5. Step 5: Solve for x
   x = 1,834,651,751,138,926,526,464/19,838,481,807
6. Step 6: Final answer
   x = 92,479,443,184.59