Finding the Third Proportional to 13,609,601 and 21,560,615.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,609,601 : 21,560,615.50 = 21,560,615.50 : x
2. Step 2: Convert to fraction form
   13,609,601/21,560,615.50 = 21,560,615.50/x
3. Step 3: Cross multiply
   13,609,601x = 21,560,615.50 × 21,560,615.50
4. Step 4: Simplify right side
   13,609,601x = 464,860,140,738,840.25
5. Step 5: Solve for x
   x = 464,860,140,738,840.25/13,609,601
6. Step 6: Final answer
   x = 34,156,779.52