Finding the Third Proportional to 103,885.50 and 242,764.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,885.50 : 242,764.50 = 242,764.50 : x
2. Step 2: Convert to fraction form
   103,885.50/242,764.50 = 242,764.50/x
3. Step 3: Cross multiply
   103,885.50x = 242,764.50 × 242,764.50
4. Step 4: Simplify right side
   103,885.50x = 58,934,602,460.25
5. Step 5: Solve for x
   x = 58,934,602,460.25/103,885.50
6. Step 6: Final answer
   x = 567,303.45