Finding the Third Proportional to 19,965,231 and 42,956,724

Step by Step Solution

1. Step 1: Write the proportion equation
   19,965,231 : 42,956,724 = 42,956,724 : x
2. Step 2: Convert to fraction form
   19,965,231/42,956,724 = 42,956,724/x
3. Step 3: Cross multiply
   19,965,231x = 42,956,724 × 42,956,724
4. Step 4: Simplify right side
   19,965,231x = 1,845,280,136,812,176
5. Step 5: Solve for x
   x = 1,845,280,136,812,176/19,965,231
6. Step 6: Final answer
   x = 92,424,682.53