Finding the Third Proportional to 4,137,377 and 8,772,364

Step by Step Solution

1. Step 1: Write the proportion equation
   4,137,377 : 8,772,364 = 8,772,364 : x
2. Step 2: Convert to fraction form
   4,137,377/8,772,364 = 8,772,364/x
3. Step 3: Cross multiply
   4,137,377x = 8,772,364 × 8,772,364
4. Step 4: Simplify right side
   4,137,377x = 76,954,370,148,496
5. Step 5: Solve for x
   x = 76,954,370,148,496/4,137,377
6. Step 6: Final answer
   x = 18,599,796.48