Finding the Third Proportional to 27,695,137.50 and 64,109,231.72

Step by Step Solution

1. Step 1: Write the proportion equation
   27,695,137.50 : 64,109,231.72 = 64,109,231.72 : x
2. Step 2: Convert to fraction form
   27,695,137.50/64,109,231.72 = 64,109,231.72/x
3. Step 3: Cross multiply
   27,695,137.50x = 64,109,231.72 × 64,109,231.72
4. Step 4: Simplify right side
   27,695,137.50x = 4,109,993,591,568,381
5. Step 5: Solve for x
   x = 4,109,993,591,568,381/27,695,137.50
6. Step 6: Final answer
   x = 148,401,270.50