Finding the Third Proportional to 42,246,081 and 90,555,339

Step by Step Solution

1. Step 1: Write the proportion equation
   42,246,081 : 90,555,339 = 90,555,339 : x
2. Step 2: Convert to fraction form
   42,246,081/90,555,339 = 90,555,339/x
3. Step 3: Cross multiply
   42,246,081x = 90,555,339 × 90,555,339
4. Step 4: Simplify right side
   42,246,081x = 8,200,269,421,404,921
5. Step 5: Solve for x
   x = 8,200,269,421,404,921/42,246,081
6. Step 6: Final answer
   x = 194,107,221.96