Finding the Third Proportional to 2,152,472 and 4,724,784

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152,472 : 4,724,784 = 4,724,784 : x
2. Step 2: Convert to fraction form
   2,152,472/4,724,784 = 4,724,784/x
3. Step 3: Cross multiply
   2,152,472x = 4,724,784 × 4,724,784
4. Step 4: Simplify right side
   2,152,472x = 22,323,583,846,656
5. Step 5: Solve for x
   x = 22,323,583,846,656/2,152,472
6. Step 6: Final answer
   x = 10,371,137.86