Finding the Third Proportional to 19,370,878 and 42,146,666

Step by Step Solution

1. Step 1: Write the proportion equation
   19,370,878 : 42,146,666 = 42,146,666 : x
2. Step 2: Convert to fraction form
   19,370,878/42,146,666 = 42,146,666/x
3. Step 3: Cross multiply
   19,370,878x = 42,146,666 × 42,146,666
4. Step 4: Simplify right side
   19,370,878x = 1,776,341,454,915,556
5. Step 5: Solve for x
   x = 1,776,341,454,915,556/19,370,878
6. Step 6: Final answer
   x = 91,701,648.99