Finding the Third Proportional to 5,456,701.69 and 8,559,940.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,456,701.69 : 8,559,940.78 = 8,559,940.78 : x
2. Step 2: Convert to fraction form
   5,456,701.69/8,559,940.78 = 8,559,940.78/x
3. Step 3: Cross multiply
   5,456,701.69x = 8,559,940.78 × 8,559,940.78
4. Step 4: Simplify right side
   5,456,701.69x = 73,272,586,178,506.86
5. Step 5: Solve for x
   x = 73,272,586,178,506.86/5,456,701.69
6. Step 6: Final answer
   x = 13,427,999.25