Finding the Third Proportional to 8,242,926 and 12,609,166.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,242,926 : 12,609,166.50 = 12,609,166.50 : x
2. Step 2: Convert to fraction form
   8,242,926/12,609,166.50 = 12,609,166.50/x
3. Step 3: Cross multiply
   8,242,926x = 12,609,166.50 × 12,609,166.50
4. Step 4: Simplify right side
   8,242,926x = 158,991,079,824,722.25
5. Step 5: Solve for x
   x = 158,991,079,824,722.25/8,242,926
6. Step 6: Final answer
   x = 19,288,184.78