Finding the Third Proportional to 2,599,644.56 and 5,610,319.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,599,644.56 : 5,610,319.88 = 5,610,319.88 : x
2. Step 2: Convert to fraction form
   2,599,644.56/5,610,319.88 = 5,610,319.88/x
3. Step 3: Cross multiply
   2,599,644.56x = 5,610,319.88 × 5,610,319.88
4. Step 4: Simplify right side
   2,599,644.56x = 31,475,689,099,820.02
5. Step 5: Solve for x
   x = 31,475,689,099,820.02/2,599,644.56
6. Step 6: Final answer
   x = 12,107,689.47