Finding the Third Proportional to 35,918.44 and 78,397.88

Step by Step Solution

1. Step 1: Write the proportion equation
   35,918.44 : 78,397.88 = 78,397.88 : x
2. Step 2: Convert to fraction form
   35,918.44/78,397.88 = 78,397.88/x
3. Step 3: Cross multiply
   35,918.44x = 78,397.88 × 78,397.88
4. Step 4: Simplify right side
   35,918.44x = 6,146,226,804.52
5. Step 5: Solve for x
   x = 6,146,226,804.52/35,918.44
6. Step 6: Final answer
   x = 171,116.21