Finding the Third Proportional to 35,424.84 and 74,848.64

Step by Step Solution

1. Step 1: Write the proportion equation
   35,424.84 : 74,848.64 = 74,848.64 : x
2. Step 2: Convert to fraction form
   35,424.84/74,848.64 = 74,848.64/x
3. Step 3: Cross multiply
   35,424.84x = 74,848.64 × 74,848.64
4. Step 4: Simplify right side
   35,424.84x = 5,602,319,003.41
5. Step 5: Solve for x
   x = 5,602,319,003.41/35,424.84
6. Step 6: Final answer
   x = 158,146.61