Finding the Third Proportional to 17,728,176 and 38,819,377.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,728,176 : 38,819,377.50 = 38,819,377.50 : x
2. Step 2: Convert to fraction form
   17,728,176/38,819,377.50 = 38,819,377.50/x
3. Step 3: Cross multiply
   17,728,176x = 38,819,377.50 × 38,819,377.50
4. Step 4: Simplify right side
   17,728,176x = 1,506,944,069,487,506.25
5. Step 5: Solve for x
   x = 1,506,944,069,487,506.25/17,728,176
6. Step 6: Final answer
   x = 85,002,770.14