Finding the Third Proportional to 12,861,692 and 28,314,172

Step by Step Solution

1. Step 1: Write the proportion equation
   12,861,692 : 28,314,172 = 28,314,172 : x
2. Step 2: Convert to fraction form
   12,861,692/28,314,172 = 28,314,172/x
3. Step 3: Cross multiply
   12,861,692x = 28,314,172 × 28,314,172
4. Step 4: Simplify right side
   12,861,692x = 801,692,336,045,584
5. Step 5: Solve for x
   x = 801,692,336,045,584/12,861,692
6. Step 6: Final answer
   x = 62,331,793.99