Finding the Third Proportional to 16,345,665 and 34,385,283

Step by Step Solution

1. Step 1: Write the proportion equation
   16,345,665 : 34,385,283 = 34,385,283 : x
2. Step 2: Convert to fraction form
   16,345,665/34,385,283 = 34,385,283/x
3. Step 3: Cross multiply
   16,345,665x = 34,385,283 × 34,385,283
4. Step 4: Simplify right side
   16,345,665x = 1,182,347,686,990,089
5. Step 5: Solve for x
   x = 1,182,347,686,990,089/16,345,665
6. Step 6: Final answer
   x = 72,334,021.71