Finding the Third Proportional to 12,926,158 and 19,657,816

Step by Step Solution

1. Step 1: Write the proportion equation
   12,926,158 : 19,657,816 = 19,657,816 : x
2. Step 2: Convert to fraction form
   12,926,158/19,657,816 = 19,657,816/x
3. Step 3: Cross multiply
   12,926,158x = 19,657,816 × 19,657,816
4. Step 4: Simplify right side
   12,926,158x = 386,429,729,889,856
5. Step 5: Solve for x
   x = 386,429,729,889,856/12,926,158
6. Step 6: Final answer
   x = 29,895,173.02