Finding the Third Proportional to 8,968,942.50 and 21,056,021.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,968,942.50 : 21,056,021.25 = 21,056,021.25 : x
2. Step 2: Convert to fraction form
   8,968,942.50/21,056,021.25 = 21,056,021.25/x
3. Step 3: Cross multiply
   8,968,942.50x = 21,056,021.25 × 21,056,021.25
4. Step 4: Simplify right side
   8,968,942.50x = 443,356,030,880,451.56
5. Step 5: Solve for x
   x = 443,356,030,880,451.56/8,968,942.50
6. Step 6: Final answer
   x = 49,432,364.06