Finding the Third Proportional to 35,103.38 and 77,820.75

Step by Step Solution

1. Step 1: Write the proportion equation
   35,103.38 : 77,820.75 = 77,820.75 : x
2. Step 2: Convert to fraction form
   35,103.38/77,820.75 = 77,820.75/x
3. Step 3: Cross multiply
   35,103.38x = 77,820.75 × 77,820.75
4. Step 4: Simplify right side
   35,103.38x = 6,056,069,130.56
5. Step 5: Solve for x
   x = 6,056,069,130.56/35,103.38
6. Step 6: Final answer
   x = 172,520.99