Finding the Third Proportional to 5,705,144 and 12,685,875

Step by Step Solution

1. Step 1: Write the proportion equation
   5,705,144 : 12,685,875 = 12,685,875 : x
2. Step 2: Convert to fraction form
   5,705,144/12,685,875 = 12,685,875/x
3. Step 3: Cross multiply
   5,705,144x = 12,685,875 × 12,685,875
4. Step 4: Simplify right side
   5,705,144x = 160,931,424,515,625
5. Step 5: Solve for x
   x = 160,931,424,515,625/5,705,144
6. Step 6: Final answer
   x = 28,208,126.65