Finding the Third Proportional to 191,507 and 268,356.50

Step by Step Solution

1. Step 1: Write the proportion equation
   191,507 : 268,356.50 = 268,356.50 : x
2. Step 2: Convert to fraction form
   191,507/268,356.50 = 268,356.50/x
3. Step 3: Cross multiply
   191,507x = 268,356.50 × 268,356.50
4. Step 4: Simplify right side
   191,507x = 72,015,211,092.25
5. Step 5: Solve for x
   x = 72,015,211,092.25/191,507
6. Step 6: Final answer
   x = 376,044.80