Finding the Third Proportional to 5,326,780 and 8,347,164

Step by Step Solution

1. Step 1: Write the proportion equation
   5,326,780 : 8,347,164 = 8,347,164 : x
2. Step 2: Convert to fraction form
   5,326,780/8,347,164 = 8,347,164/x
3. Step 3: Cross multiply
   5,326,780x = 8,347,164 × 8,347,164
4. Step 4: Simplify right side
   5,326,780x = 69,675,146,842,896
5. Step 5: Solve for x
   x = 69,675,146,842,896/5,326,780
6. Step 6: Final answer
   x = 13,080,162.28