Finding the Third Proportional to 2,160,702 and 4,641,663

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160,702 : 4,641,663 = 4,641,663 : x
2. Step 2: Convert to fraction form
   2,160,702/4,641,663 = 4,641,663/x
3. Step 3: Cross multiply
   2,160,702x = 4,641,663 × 4,641,663
4. Step 4: Simplify right side
   2,160,702x = 21,545,035,405,569
5. Step 5: Solve for x
   x = 21,545,035,405,569/2,160,702
6. Step 6: Final answer
   x = 9,971,312.75