Finding the Third Proportional to 12,607,311 and 18,359,841.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,607,311 : 18,359,841.50 = 18,359,841.50 : x
2. Step 2: Convert to fraction form
   12,607,311/18,359,841.50 = 18,359,841.50/x
3. Step 3: Cross multiply
   12,607,311x = 18,359,841.50 × 18,359,841.50
4. Step 4: Simplify right side
   12,607,311x = 337,083,779,905,122.25
5. Step 5: Solve for x
   x = 337,083,779,905,122.25/12,607,311
6. Step 6: Final answer
   x = 26,737,167.02