Finding the Third Proportional to 20,931,231,135 and 32,172,802,942.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,931,231,135 : 32,172,802,942.50 = 32,172,802,942.50 : x
2. Step 2: Convert to fraction form
   20,931,231,135/32,172,802,942.50 = 32,172,802,942.50/x
3. Step 3: Cross multiply
   20,931,231,135x = 32,172,802,942.50 × 32,172,802,942.50
4. Step 4: Simplify right side
   20,931,231,135x = 1,035,089,249,176,936,644,608
5. Step 5: Solve for x
   x = 1,035,089,249,176,936,644,608/20,931,231,135
6. Step 6: Final answer
   x = 49,451,904,787.68