Finding the Third Proportional to 12,861,732 and 27,960,646

Step by Step Solution

1. Step 1: Write the proportion equation
   12,861,732 : 27,960,646 = 27,960,646 : x
2. Step 2: Convert to fraction form
   12,861,732/27,960,646 = 27,960,646/x
3. Step 3: Cross multiply
   12,861,732x = 27,960,646 × 27,960,646
4. Step 4: Simplify right side
   12,861,732x = 781,797,724,737,316
5. Step 5: Solve for x
   x = 781,797,724,737,316/12,861,732
6. Step 6: Final answer
   x = 60,784,793.58