Finding the Third Proportional to 98,320.50 and 212,706

Step by Step Solution

1. Step 1: Write the proportion equation
   98,320.50 : 212,706 = 212,706 : x
2. Step 2: Convert to fraction form
   98,320.50/212,706 = 212,706/x
3. Step 3: Cross multiply
   98,320.50x = 212,706 × 212,706
4. Step 4: Simplify right side
   98,320.50x = 45,243,842,436
5. Step 5: Solve for x
   x = 45,243,842,436/98,320.50
6. Step 6: Final answer
   x = 460,166.93