Finding the Third Proportional to 2,152,536 and 4,528,140

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152,536 : 4,528,140 = 4,528,140 : x
2. Step 2: Convert to fraction form
   2,152,536/4,528,140 = 4,528,140/x
3. Step 3: Cross multiply
   2,152,536x = 4,528,140 × 4,528,140
4. Step 4: Simplify right side
   2,152,536x = 20,504,051,859,600
5. Step 5: Solve for x
   x = 20,504,051,859,600/2,152,536
6. Step 6: Final answer
   x = 9,525,532.61