Finding the Third Proportional to 35,994.38 and 78,539.63

Step by Step Solution

1. Step 1: Write the proportion equation
   35,994.38 : 78,539.63 = 78,539.63 : x
2. Step 2: Convert to fraction form
   35,994.38/78,539.63 = 78,539.63/x
3. Step 3: Cross multiply
   35,994.38x = 78,539.63 × 78,539.63
4. Step 4: Simplify right side
   35,994.38x = 6,168,472,695.14
5. Step 5: Solve for x
   x = 6,168,472,695.14/35,994.38
6. Step 6: Final answer
   x = 171,373.24