Finding the Third Proportional to 129,136,451,511.38 and 181,773,336,807

Step by Step Solution

1. Step 1: Write the proportion equation
   129,136,451,511.38 : 181,773,336,807 = 181,773,336,807 : x
2. Step 2: Convert to fraction form
   129,136,451,511.38/181,773,336,807 = 181,773,336,807/x
3. Step 3: Cross multiply
   129,136,451,511.38x = 181,773,336,807 × 181,773,336,807
4. Step 4: Simplify right side
   129,136,451,511.38x = 33,041,545,973,951,061,032,960
5. Step 5: Solve for x
   x = 33,041,545,973,951,061,032,960/129,136,451,511.38
6. Step 6: Final answer
   x = 255,865,370,212.99