Finding the Third Proportional to 9,821,250 and 21,342,528

Step by Step Solution

1. Step 1: Write the proportion equation
   9,821,250 : 21,342,528 = 21,342,528 : x
2. Step 2: Convert to fraction form
   9,821,250/21,342,528 = 21,342,528/x
3. Step 3: Cross multiply
   9,821,250x = 21,342,528 × 21,342,528
4. Step 4: Simplify right side
   9,821,250x = 455,503,501,430,784
5. Step 5: Solve for x
   x = 455,503,501,430,784/9,821,250
6. Step 6: Final answer
   x = 46,379,381.59