Finding the Third Proportional to 4,009,761 and 8,813,426

Step by Step Solution

1. Step 1: Write the proportion equation
   4,009,761 : 8,813,426 = 8,813,426 : x
2. Step 2: Convert to fraction form
   4,009,761/8,813,426 = 8,813,426/x
3. Step 3: Cross multiply
   4,009,761x = 8,813,426 × 8,813,426
4. Step 4: Simplify right side
   4,009,761x = 77,676,477,857,476
5. Step 5: Solve for x
   x = 77,676,477,857,476/4,009,761
6. Step 6: Final answer
   x = 19,371,847.31