Finding the Third Proportional to 899,340,361 and 2,005,468,214.50

Step by Step Solution

1. Step 1: Write the proportion equation
   899,340,361 : 2,005,468,214.50 = 2,005,468,214.50 : x
2. Step 2: Convert to fraction form
   899,340,361/2,005,468,214.50 = 2,005,468,214.50/x
3. Step 3: Cross multiply
   899,340,361x = 2,005,468,214.50 × 2,005,468,214.50
4. Step 4: Simplify right side
   899,340,361x = 4,021,902,759,369,818,112
5. Step 5: Solve for x
   x = 4,021,902,759,369,818,112/899,340,361
6. Step 6: Final answer
   x = 4,472,058,559.56