Finding the Third Proportional to 13,866,342 and 30,919,146

Step by Step Solution

1. Step 1: Write the proportion equation
   13,866,342 : 30,919,146 = 30,919,146 : x
2. Step 2: Convert to fraction form
   13,866,342/30,919,146 = 30,919,146/x
3. Step 3: Cross multiply
   13,866,342x = 30,919,146 × 30,919,146
4. Step 4: Simplify right side
   13,866,342x = 955,993,589,369,316
5. Step 5: Solve for x
   x = 955,993,589,369,316/13,866,342
6. Step 6: Final answer
   x = 68,943,459.59