Finding the Third Proportional to 13,958,940 and 30,673,346

Step by Step Solution

1. Step 1: Write the proportion equation
   13,958,940 : 30,673,346 = 30,673,346 : x
2. Step 2: Convert to fraction form
   13,958,940/30,673,346 = 30,673,346/x
3. Step 3: Cross multiply
   13,958,940x = 30,673,346 × 30,673,346
4. Step 4: Simplify right side
   13,958,940x = 940,854,154,835,716
5. Step 5: Solve for x
   x = 940,854,154,835,716/13,958,940
6. Step 6: Final answer
   x = 67,401,547.31