Finding the Third Proportional to 42,052,578 and 61,482,357

Step by Step Solution

1. Step 1: Write the proportion equation
   42,052,578 : 61,482,357 = 61,482,357 : x
2. Step 2: Convert to fraction form
   42,052,578/61,482,357 = 61,482,357/x
3. Step 3: Cross multiply
   42,052,578x = 61,482,357 × 61,482,357
4. Step 4: Simplify right side
   42,052,578x = 3,780,080,222,275,449
5. Step 5: Solve for x
   x = 3,780,080,222,275,449/42,052,578
6. Step 6: Final answer
   x = 89,889,381.39