Finding the Third Proportional to 12,861,684 and 28,314,144

Step by Step Solution

1. Step 1: Write the proportion equation
   12,861,684 : 28,314,144 = 28,314,144 : x
2. Step 2: Convert to fraction form
   12,861,684/28,314,144 = 28,314,144/x
3. Step 3: Cross multiply
   12,861,684x = 28,314,144 × 28,314,144
4. Step 4: Simplify right side
   12,861,684x = 801,690,750,452,736
5. Step 5: Solve for x
   x = 801,690,750,452,736/12,861,684
6. Step 6: Final answer
   x = 62,331,709.48