Finding the Third Proportional to 9,634,870 and 13,078,869

Step by Step Solution

1. Step 1: Write the proportion equation
   9,634,870 : 13,078,869 = 13,078,869 : x
2. Step 2: Convert to fraction form
   9,634,870/13,078,869 = 13,078,869/x
3. Step 3: Cross multiply
   9,634,870x = 13,078,869 × 13,078,869
4. Step 4: Simplify right side
   9,634,870x = 171,056,814,319,161
5. Step 5: Solve for x
   x = 171,056,814,319,161/9,634,870
6. Step 6: Final answer
   x = 17,753,930.70