Finding the Third Proportional to 39,676,963,620 and 85,665,669,930

Step by Step Solution

1. Step 1: Write the proportion equation
   39,676,963,620 : 85,665,669,930 = 85,665,669,930 : x
2. Step 2: Convert to fraction form
   39,676,963,620/85,665,669,930 = 85,665,669,930/x
3. Step 3: Cross multiply
   39,676,963,620x = 85,665,669,930 × 85,665,669,930
4. Step 4: Simplify right side
   39,676,963,620x = 7,338,607,004,555,706,105,856
5. Step 5: Solve for x
   x = 7,338,607,004,555,706,105,856/39,676,963,620
6. Step 6: Final answer
   x = 184,958,886,341.21