Finding the Third Proportional to 16,521,057 and 35,787,402

Step by Step Solution

1. Step 1: Write the proportion equation
   16,521,057 : 35,787,402 = 35,787,402 : x
2. Step 2: Convert to fraction form
   16,521,057/35,787,402 = 35,787,402/x
3. Step 3: Cross multiply
   16,521,057x = 35,787,402 × 35,787,402
4. Step 4: Simplify right side
   16,521,057x = 1,280,738,141,909,604
5. Step 5: Solve for x
   x = 1,280,738,141,909,604/16,521,057
6. Step 6: Final answer
   x = 77,521,561.84