Finding the Third Proportional to 42,678,675 and 100,715,310

Step by Step Solution

1. Step 1: Write the proportion equation
   42,678,675 : 100,715,310 = 100,715,310 : x
2. Step 2: Convert to fraction form
   42,678,675/100,715,310 = 100,715,310/x
3. Step 3: Cross multiply
   42,678,675x = 100,715,310 × 100,715,310
4. Step 4: Simplify right side
   42,678,675x = 10,143,573,668,396,100
5. Step 5: Solve for x
   x = 10,143,573,668,396,100/42,678,675
6. Step 6: Final answer
   x = 237,673,115.87