Finding the Third Proportional to 10,210,415 and 21,772,396

Step by Step Solution

1. Step 1: Write the proportion equation
   10,210,415 : 21,772,396 = 21,772,396 : x
2. Step 2: Convert to fraction form
   10,210,415/21,772,396 = 21,772,396/x
3. Step 3: Cross multiply
   10,210,415x = 21,772,396 × 21,772,396
4. Step 4: Simplify right side
   10,210,415x = 474,037,227,580,816
5. Step 5: Solve for x
   x = 474,037,227,580,816/10,210,415
6. Step 6: Final answer
   x = 46,426,832.56