Finding the Third Proportional to 19,697,391 and 31,467,030

Step by Step Solution

1. Step 1: Write the proportion equation
   19,697,391 : 31,467,030 = 31,467,030 : x
2. Step 2: Convert to fraction form
   19,697,391/31,467,030 = 31,467,030/x
3. Step 3: Cross multiply
   19,697,391x = 31,467,030 × 31,467,030
4. Step 4: Simplify right side
   19,697,391x = 990,173,977,020,900
5. Step 5: Solve for x
   x = 990,173,977,020,900/19,697,391
6. Step 6: Final answer
   x = 50,269,295.92