Finding the Third Proportional to 72,571,691,619 and 100,905,136,339.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,571,691,619 : 100,905,136,339.50 = 100,905,136,339.50 : x
2. Step 2: Convert to fraction form
   72,571,691,619/100,905,136,339.50 = 100,905,136,339.50/x
3. Step 3: Cross multiply
   72,571,691,619x = 100,905,136,339.50 × 100,905,136,339.50
4. Step 4: Simplify right side
   72,571,691,619x = 10,181,846,539,693,084,114,944
5. Step 5: Solve for x
   x = 10,181,846,539,693,084,114,944/72,571,691,619
6. Step 6: Final answer
   x = 140,300,526,452.49