Finding the Third Proportional to 2,916,947.25 and 4,415,665.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,916,947.25 : 4,415,665.50 = 4,415,665.50 : x
2. Step 2: Convert to fraction form
   2,916,947.25/4,415,665.50 = 4,415,665.50/x
3. Step 3: Cross multiply
   2,916,947.25x = 4,415,665.50 × 4,415,665.50
4. Step 4: Simplify right side
   2,916,947.25x = 19,498,101,807,890.25
5. Step 5: Solve for x
   x = 19,498,101,807,890.25/2,916,947.25
6. Step 6: Final answer
   x = 6,684,420.44