Finding the Third Proportional to 8,929,422 and 19,561,428

Step by Step Solution

1. Step 1: Write the proportion equation
   8,929,422 : 19,561,428 = 19,561,428 : x
2. Step 2: Convert to fraction form
   8,929,422/19,561,428 = 19,561,428/x
3. Step 3: Cross multiply
   8,929,422x = 19,561,428 × 19,561,428
4. Step 4: Simplify right side
   8,929,422x = 382,649,465,399,184
5. Step 5: Solve for x
   x = 382,649,465,399,184/8,929,422
6. Step 6: Final answer
   x = 42,852,657.81