Finding the Third Proportional to 2,583,031.50 and 5,638,153.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,583,031.50 : 5,638,153.50 = 5,638,153.50 : x
2. Step 2: Convert to fraction form
   2,583,031.50/5,638,153.50 = 5,638,153.50/x
3. Step 3: Cross multiply
   2,583,031.50x = 5,638,153.50 × 5,638,153.50
4. Step 4: Simplify right side
   2,583,031.50x = 31,788,774,889,562.25
5. Step 5: Solve for x
   x = 31,788,774,889,562.25/2,583,031.50
6. Step 6: Final answer
   x = 12,306,770.12