Finding the Third Proportional to 191,862 and 268,372.50

Step by Step Solution

1. Step 1: Write the proportion equation
   191,862 : 268,372.50 = 268,372.50 : x
2. Step 2: Convert to fraction form
   191,862/268,372.50 = 268,372.50/x
3. Step 3: Cross multiply
   191,862x = 268,372.50 × 268,372.50
4. Step 4: Simplify right side
   191,862x = 72,023,798,756.25
5. Step 5: Solve for x
   x = 72,023,798,756.25/191,862
6. Step 6: Final answer
   x = 375,393.77