Finding the Third Proportional to 66,549.50 and 100,516

Step by Step Solution

1. Step 1: Write the proportion equation
   66,549.50 : 100,516 = 100,516 : x
2. Step 2: Convert to fraction form
   66,549.50/100,516 = 100,516/x
3. Step 3: Cross multiply
   66,549.50x = 100,516 × 100,516
4. Step 4: Simplify right side
   66,549.50x = 10,103,466,256
5. Step 5: Solve for x
   x = 10,103,466,256/66,549.50
6. Step 6: Final answer
   x = 151,818.82