Finding the Third Proportional to 10,496,309 and 17,139,527.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,496,309 : 17,139,527.50 = 17,139,527.50 : x
2. Step 2: Convert to fraction form
   10,496,309/17,139,527.50 = 17,139,527.50/x
3. Step 3: Cross multiply
   10,496,309x = 17,139,527.50 × 17,139,527.50
4. Step 4: Simplify right side
   10,496,309x = 293,763,402,923,256.25
5. Step 5: Solve for x
   x = 293,763,402,923,256.25/10,496,309
6. Step 6: Final answer
   x = 27,987,305.15