Finding the Third Proportional to 10,257,581 and 16,242,633.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,257,581 : 16,242,633.50 = 16,242,633.50 : x
2. Step 2: Convert to fraction form
   10,257,581/16,242,633.50 = 16,242,633.50/x
3. Step 3: Cross multiply
   10,257,581x = 16,242,633.50 × 16,242,633.50
4. Step 4: Simplify right side
   10,257,581x = 263,823,143,015,322.25
5. Step 5: Solve for x
   x = 263,823,143,015,322.25/10,257,581
6. Step 6: Final answer
   x = 25,719,820.59