Finding the Third Proportional to 19,358,584 and 42,131,074

Step by Step Solution

1. Step 1: Write the proportion equation
   19,358,584 : 42,131,074 = 42,131,074 : x
2. Step 2: Convert to fraction form
   19,358,584/42,131,074 = 42,131,074/x
3. Step 3: Cross multiply
   19,358,584x = 42,131,074 × 42,131,074
4. Step 4: Simplify right side
   19,358,584x = 1,775,027,396,393,476
5. Step 5: Solve for x
   x = 1,775,027,396,393,476/19,358,584
6. Step 6: Final answer
   x = 91,692,005.80