Finding the Third Proportional to 1,431,657.28 and 3,068,216.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,431,657.28 : 3,068,216.72 = 3,068,216.72 : x
2. Step 2: Convert to fraction form
   1,431,657.28/3,068,216.72 = 3,068,216.72/x
3. Step 3: Cross multiply
   1,431,657.28x = 3,068,216.72 × 3,068,216.72
4. Step 4: Simplify right side
   1,431,657.28x = 9,413,953,833,217.02
5. Step 5: Solve for x
   x = 9,413,953,833,217.02/1,431,657.28
6. Step 6: Final answer
   x = 6,575,563.83