Finding the Third Proportional to 19,324,396.50 and 42,121,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,324,396.50 : 42,121,018.50 = 42,121,018.50 : x
2. Step 2: Convert to fraction form
   19,324,396.50/42,121,018.50 = 42,121,018.50/x
3. Step 3: Cross multiply
   19,324,396.50x = 42,121,018.50 × 42,121,018.50
4. Step 4: Simplify right side
   19,324,396.50x = 1,774,180,199,477,342.25
5. Step 5: Solve for x
   x = 1,774,180,199,477,342.25/19,324,396.50
6. Step 6: Final answer
   x = 91,810,380.70