Finding the Third Proportional to 36,900.42 and 77,518.69

Step by Step Solution

1. Step 1: Write the proportion equation
   36,900.42 : 77,518.69 = 77,518.69 : x
2. Step 2: Convert to fraction form
   36,900.42/77,518.69 = 77,518.69/x
3. Step 3: Cross multiply
   36,900.42x = 77,518.69 × 77,518.69
4. Step 4: Simplify right side
   36,900.42x = 6,009,146,911.72
5. Step 5: Solve for x
   x = 6,009,146,911.72/36,900.42
6. Step 6: Final answer
   x = 162,847.65