Finding the Third Proportional to 9,685,368 and 21,260,061

Step by Step Solution

1. Step 1: Write the proportion equation
   9,685,368 : 21,260,061 = 21,260,061 : x
2. Step 2: Convert to fraction form
   9,685,368/21,260,061 = 21,260,061/x
3. Step 3: Cross multiply
   9,685,368x = 21,260,061 × 21,260,061
4. Step 4: Simplify right side
   9,685,368x = 451,990,193,723,721
5. Step 5: Solve for x
   x = 451,990,193,723,721/9,685,368
6. Step 6: Final answer
   x = 46,667,322.68