Finding the Third Proportional to 2,599,687.50 and 5,610,408

Step by Step Solution

1. Step 1: Write the proportion equation
   2,599,687.50 : 5,610,408 = 5,610,408 : x
2. Step 2: Convert to fraction form
   2,599,687.50/5,610,408 = 5,610,408/x
3. Step 3: Cross multiply
   2,599,687.50x = 5,610,408 × 5,610,408
4. Step 4: Simplify right side
   2,599,687.50x = 31,476,677,926,464
5. Step 5: Solve for x
   x = 31,476,677,926,464/2,599,687.50
6. Step 6: Final answer
   x = 12,107,869.86