Finding the Third Proportional to 13,638,727.69 and 21,592,468.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,638,727.69 : 21,592,468.69 = 21,592,468.69 : x
2. Step 2: Convert to fraction form
   13,638,727.69/21,592,468.69 = 21,592,468.69/x
3. Step 3: Cross multiply
   13,638,727.69x = 21,592,468.69 × 21,592,468.69
4. Step 4: Simplify right side
   13,638,727.69x = 466,234,704,020,668
5. Step 5: Solve for x
   x = 466,234,704,020,668/13,638,727.69
6. Step 6: Final answer
   x = 34,184,618.59