Finding the Third Proportional to 5,278,501 and 8,160,152

Step by Step Solution

1. Step 1: Write the proportion equation
   5,278,501 : 8,160,152 = 8,160,152 : x
2. Step 2: Convert to fraction form
   5,278,501/8,160,152 = 8,160,152/x
3. Step 3: Cross multiply
   5,278,501x = 8,160,152 × 8,160,152
4. Step 4: Simplify right side
   5,278,501x = 66,588,080,663,104
5. Step 5: Solve for x
   x = 66,588,080,663,104/5,278,501
6. Step 6: Final answer
   x = 12,614,960.32