Finding the Third Proportional to 64,774.69 and 100,100.81

Step by Step Solution

1. Step 1: Write the proportion equation
   64,774.69 : 100,100.81 = 100,100.81 : x
2. Step 2: Convert to fraction form
   64,774.69/100,100.81 = 100,100.81/x
3. Step 3: Cross multiply
   64,774.69x = 100,100.81 × 100,100.81
4. Step 4: Simplify right side
   64,774.69x = 10,020,172,663.16
5. Step 5: Solve for x
   x = 10,020,172,663.16/64,774.69
6. Step 6: Final answer
   x = 154,692.72