Finding the Third Proportional to 87,500.25 and 186,994.50

Step by Step Solution

1. Step 1: Write the proportion equation
   87,500.25 : 186,994.50 = 186,994.50 : x
2. Step 2: Convert to fraction form
   87,500.25/186,994.50 = 186,994.50/x
3. Step 3: Cross multiply
   87,500.25x = 186,994.50 × 186,994.50
4. Step 4: Simplify right side
   87,500.25x = 34,966,943,030.25
5. Step 5: Solve for x
   x = 34,966,943,030.25/87,500.25
6. Step 6: Final answer
   x = 399,621.06