Finding the Third Proportional to 72,571,691,765 and 100,905,136,603

Step by Step Solution

1. Step 1: Write the proportion equation
   72,571,691,765 : 100,905,136,603 = 100,905,136,603 : x
2. Step 2: Convert to fraction form
   72,571,691,765/100,905,136,603 = 100,905,136,603/x
3. Step 3: Cross multiply
   72,571,691,765x = 100,905,136,603 × 100,905,136,603
4. Step 4: Simplify right side
   72,571,691,765x = 10,181,846,592,870,091,325,440
5. Step 5: Solve for x
   x = 10,181,846,592,870,091,325,440/72,571,691,765
6. Step 6: Final answer
   x = 140,300,526,902.98