Finding the Third Proportional to 672,274.69 and 1,456,564.78

Step by Step Solution

1. Step 1: Write the proportion equation
   672,274.69 : 1,456,564.78 = 1,456,564.78 : x
2. Step 2: Convert to fraction form
   672,274.69/1,456,564.78 = 1,456,564.78/x
3. Step 3: Cross multiply
   672,274.69x = 1,456,564.78 × 1,456,564.78
4. Step 4: Simplify right side
   672,274.69x = 2,121,580,961,977.86
5. Step 5: Solve for x
   x = 2,121,580,961,977.86/672,274.69
6. Step 6: Final answer
   x = 3,155,824.55