Finding the Third Proportional to 73,126,917,819 and 148,309,998,138

Step by Step Solution

1. Step 1: Write the proportion equation
   73,126,917,819 : 148,309,998,138 = 148,309,998,138 : x
2. Step 2: Convert to fraction form
   73,126,917,819/148,309,998,138 = 148,309,998,138/x
3. Step 3: Cross multiply
   73,126,917,819x = 148,309,998,138 × 148,309,998,138
4. Step 4: Simplify right side
   73,126,917,819x = 21,995,855,547,693,562,593,280
5. Step 5: Solve for x
   x = 21,995,855,547,693,562,593,280/73,126,917,819
6. Step 6: Final answer
   x = 300,790,135,885.89