Finding the Third Proportional to 16,263,363 and 21,681,556.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,263,363 : 21,681,556.50 = 21,681,556.50 : x
2. Step 2: Convert to fraction form
   16,263,363/21,681,556.50 = 21,681,556.50/x
3. Step 3: Cross multiply
   16,263,363x = 21,681,556.50 × 21,681,556.50
4. Step 4: Simplify right side
   16,263,363x = 470,089,892,262,692.25
5. Step 5: Solve for x
   x = 470,089,892,262,692.25/16,263,363
6. Step 6: Final answer
   x = 28,904,839.19