Finding the Third Proportional to 10,210,410 and 21,772,386

Step by Step Solution

1. Step 1: Write the proportion equation
   10,210,410 : 21,772,386 = 21,772,386 : x
2. Step 2: Convert to fraction form
   10,210,410/21,772,386 = 21,772,386/x
3. Step 3: Cross multiply
   10,210,410x = 21,772,386 × 21,772,386
4. Step 4: Simplify right side
   10,210,410x = 474,036,792,132,996
5. Step 5: Solve for x
   x = 474,036,792,132,996/10,210,410
6. Step 6: Final answer
   x = 46,426,812.65