Finding the Third Proportional to 191,307 and 242,566.50

Step by Step Solution

1. Step 1: Write the proportion equation
   191,307 : 242,566.50 = 242,566.50 : x
2. Step 2: Convert to fraction form
   191,307/242,566.50 = 242,566.50/x
3. Step 3: Cross multiply
   191,307x = 242,566.50 × 242,566.50
4. Step 4: Simplify right side
   191,307x = 58,838,506,922.25
5. Step 5: Solve for x
   x = 58,838,506,922.25/191,307
6. Step 6: Final answer
   x = 307,560.66