Finding the Third Proportional to 8,997,991.50 and 12,858,052.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,997,991.50 : 12,858,052.50 = 12,858,052.50 : x
2. Step 2: Convert to fraction form
   8,997,991.50/12,858,052.50 = 12,858,052.50/x
3. Step 3: Cross multiply
   8,997,991.50x = 12,858,052.50 × 12,858,052.50
4. Step 4: Simplify right side
   8,997,991.50x = 165,329,514,092,756.25
5. Step 5: Solve for x
   x = 165,329,514,092,756.25/8,997,991.50
6. Step 6: Final answer
   x = 18,374,046.49