Finding the Third Proportional to 42,981,878 and 92,892,172

Step by Step Solution

1. Step 1: Write the proportion equation
   42,981,878 : 92,892,172 = 92,892,172 : x
2. Step 2: Convert to fraction form
   42,981,878/92,892,172 = 92,892,172/x
3. Step 3: Cross multiply
   42,981,878x = 92,892,172 × 92,892,172
4. Step 4: Simplify right side
   42,981,878x = 8,628,955,618,877,584
5. Step 5: Solve for x
   x = 8,628,955,618,877,584/42,981,878
6. Step 6: Final answer
   x = 200,757,994.31