Finding the Third Proportional to 87,075.50 and 191,275.50

Step by Step Solution

1. Step 1: Write the proportion equation
   87,075.50 : 191,275.50 = 191,275.50 : x
2. Step 2: Convert to fraction form
   87,075.50/191,275.50 = 191,275.50/x
3. Step 3: Cross multiply
   87,075.50x = 191,275.50 × 191,275.50
4. Step 4: Simplify right side
   87,075.50x = 36,586,316,900.25
5. Step 5: Solve for x
   x = 36,586,316,900.25/87,075.50
6. Step 6: Final answer
   x = 420,167.75