Finding the Third Proportional to 10,235,448 and 21,888,072

Step by Step Solution

1. Step 1: Write the proportion equation
   10,235,448 : 21,888,072 = 21,888,072 : x
2. Step 2: Convert to fraction form
   10,235,448/21,888,072 = 21,888,072/x
3. Step 3: Cross multiply
   10,235,448x = 21,888,072 × 21,888,072
4. Step 4: Simplify right side
   10,235,448x = 479,087,695,877,184
5. Step 5: Solve for x
   x = 479,087,695,877,184/10,235,448
6. Step 6: Final answer
   x = 46,806,714.85