Finding the Third Proportional to 16,411,936 and 37,990,661

Step by Step Solution

1. Step 1: Write the proportion equation
   16,411,936 : 37,990,661 = 37,990,661 : x
2. Step 2: Convert to fraction form
   16,411,936/37,990,661 = 37,990,661/x
3. Step 3: Cross multiply
   16,411,936x = 37,990,661 × 37,990,661
4. Step 4: Simplify right side
   16,411,936x = 1,443,290,323,216,921
5. Step 5: Solve for x
   x = 1,443,290,323,216,921/16,411,936
6. Step 6: Final answer
   x = 87,941,503.26