Finding the Third Proportional to 19,358,598 and 42,131,100

Step by Step Solution

1. Step 1: Write the proportion equation
   19,358,598 : 42,131,100 = 42,131,100 : x
2. Step 2: Convert to fraction form
   19,358,598/42,131,100 = 42,131,100/x
3. Step 3: Cross multiply
   19,358,598x = 42,131,100 × 42,131,100
4. Step 4: Simplify right side
   19,358,598x = 1,775,029,587,210,000
5. Step 5: Solve for x
   x = 1,775,029,587,210,000/19,358,598
6. Step 6: Final answer
   x = 91,692,052.66