Finding the Third Proportional to 78,100,544.50 and 162,665,423.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,100,544.50 : 162,665,423.50 = 162,665,423.50 : x
2. Step 2: Convert to fraction form
   78,100,544.50/162,665,423.50 = 162,665,423.50/x
3. Step 3: Cross multiply
   78,100,544.50x = 162,665,423.50 × 162,665,423.50
4. Step 4: Simplify right side
   78,100,544.50x = 26,460,040,002,434,352
5. Step 5: Solve for x
   x = 26,460,040,002,434,352/78,100,544.50
6. Step 6: Final answer
   x = 338,794,565.03