Finding the Third Proportional to 42,143,992 and 91,945,352

Step by Step Solution

1. Step 1: Write the proportion equation
   42,143,992 : 91,945,352 = 91,945,352 : x
2. Step 2: Convert to fraction form
   42,143,992/91,945,352 = 91,945,352/x
3. Step 3: Cross multiply
   42,143,992x = 91,945,352 × 91,945,352
4. Step 4: Simplify right side
   42,143,992x = 8,453,947,754,403,904
5. Step 5: Solve for x
   x = 8,453,947,754,403,904/42,143,992
6. Step 6: Final answer
   x = 200,596,748.27