Finding the Third Proportional to 9,231,726 and 21,369,776

Step by Step Solution

1. Step 1: Write the proportion equation
   9,231,726 : 21,369,776 = 21,369,776 : x
2. Step 2: Convert to fraction form
   9,231,726/21,369,776 = 21,369,776/x
3. Step 3: Cross multiply
   9,231,726x = 21,369,776 × 21,369,776
4. Step 4: Simplify right side
   9,231,726x = 456,667,326,290,176
5. Step 5: Solve for x
   x = 456,667,326,290,176/9,231,726
6. Step 6: Final answer
   x = 49,467,166.41