Finding the Third Proportional to 72,571,691,823 and 100,905,136,677.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,571,691,823 : 100,905,136,677.50 = 100,905,136,677.50 : x
2. Step 2: Convert to fraction form
   72,571,691,823/100,905,136,677.50 = 100,905,136,677.50/x
3. Step 3: Cross multiply
   72,571,691,823x = 100,905,136,677.50 × 100,905,136,677.50
4. Step 4: Simplify right side
   72,571,691,823x = 10,181,846,607,904,955,695,104
5. Step 5: Solve for x
   x = 10,181,846,607,904,955,695,104/72,571,691,823
6. Step 6: Final answer
   x = 140,300,526,998.02