Finding the Third Proportional to 42,405,734 and 92,320,464

Step by Step Solution

1. Step 1: Write the proportion equation
   42,405,734 : 92,320,464 = 92,320,464 : x
2. Step 2: Convert to fraction form
   42,405,734/92,320,464 = 92,320,464/x
3. Step 3: Cross multiply
   42,405,734x = 92,320,464 × 92,320,464
4. Step 4: Simplify right side
   42,405,734x = 8,523,068,073,175,296
5. Step 5: Solve for x
   x = 8,523,068,073,175,296/42,405,734
6. Step 6: Final answer
   x = 200,988,575.58