Finding the Third Proportional to 35,800.73 and 78,487.10

Step by Step Solution

1. Step 1: Write the proportion equation
   35,800.73 : 78,487.10 = 78,487.10 : x
2. Step 2: Convert to fraction form
   35,800.73/78,487.10 = 78,487.10/x
3. Step 3: Cross multiply
   35,800.73x = 78,487.10 × 78,487.10
4. Step 4: Simplify right side
   35,800.73x = 6,160,225,111.68
5. Step 5: Solve for x
   x = 6,160,225,111.68/35,800.73
6. Step 6: Final answer
   x = 172,069.80