Finding the Third Proportional to 30,264,878 and 42,467,621

Step by Step Solution

1. Step 1: Write the proportion equation
   30,264,878 : 42,467,621 = 42,467,621 : x
2. Step 2: Convert to fraction form
   30,264,878/42,467,621 = 42,467,621/x
3. Step 3: Cross multiply
   30,264,878x = 42,467,621 × 42,467,621
4. Step 4: Simplify right side
   30,264,878x = 1,803,498,833,399,641
5. Step 5: Solve for x
   x = 1,803,498,833,399,641/30,264,878
6. Step 6: Final answer
   x = 59,590,487.48