Finding the Third Proportional to 16,405,261 and 35,898,485

Step by Step Solution

1. Step 1: Write the proportion equation
   16,405,261 : 35,898,485 = 35,898,485 : x
2. Step 2: Convert to fraction form
   16,405,261/35,898,485 = 35,898,485/x
3. Step 3: Cross multiply
   16,405,261x = 35,898,485 × 35,898,485
4. Step 4: Simplify right side
   16,405,261x = 1,288,701,225,295,225
5. Step 5: Solve for x
   x = 1,288,701,225,295,225/16,405,261
6. Step 6: Final answer
   x = 78,554,143.41