Finding the Third Proportional to 2,115,261 and 3,222,463.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,115,261 : 3,222,463.50 = 3,222,463.50 : x
2. Step 2: Convert to fraction form
   2,115,261/3,222,463.50 = 3,222,463.50/x
3. Step 3: Cross multiply
   2,115,261x = 3,222,463.50 × 3,222,463.50
4. Step 4: Simplify right side
   2,115,261x = 10,384,271,008,832.25
5. Step 5: Solve for x
   x = 10,384,271,008,832.25/2,115,261
6. Step 6: Final answer
   x = 4,909,214.99