Finding the Third Proportional to 191,313 and 242,575.50

Step by Step Solution

1. Step 1: Write the proportion equation
   191,313 : 242,575.50 = 242,575.50 : x
2. Step 2: Convert to fraction form
   191,313/242,575.50 = 242,575.50/x
3. Step 3: Cross multiply
   191,313x = 242,575.50 × 242,575.50
4. Step 4: Simplify right side
   191,313x = 58,842,873,200.25
5. Step 5: Solve for x
   x = 58,842,873,200.25/191,313
6. Step 6: Final answer
   x = 307,573.84