Finding the Third Proportional to 5,251,072 and 7,867,848

Step by Step Solution

1. Step 1: Write the proportion equation
   5,251,072 : 7,867,848 = 7,867,848 : x
2. Step 2: Convert to fraction form
   5,251,072/7,867,848 = 7,867,848/x
3. Step 3: Cross multiply
   5,251,072x = 7,867,848 × 7,867,848
4. Step 4: Simplify right side
   5,251,072x = 61,903,032,151,104
5. Step 5: Solve for x
   x = 61,903,032,151,104/5,251,072
6. Step 6: Final answer
   x = 11,788,646.61