Finding the Third Proportional to 86,526 and 191,710

Step by Step Solution

1. Step 1: Write the proportion equation
   86,526 : 191,710 = 191,710 : x
2. Step 2: Convert to fraction form
   86,526/191,710 = 191,710/x
3. Step 3: Cross multiply
   86,526x = 191,710 × 191,710
4. Step 4: Simplify right side
   86,526x = 36,752,724,100
5. Step 5: Solve for x
   x = 36,752,724,100/86,526
6. Step 6: Final answer
   x = 424,759.31