Finding the Third Proportional to 61,561.50 and 100,513.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,561.50 : 100,513.50 = 100,513.50 : x
2. Step 2: Convert to fraction form
   61,561.50/100,513.50 = 100,513.50/x
3. Step 3: Cross multiply
   61,561.50x = 100,513.50 × 100,513.50
4. Step 4: Simplify right side
   61,561.50x = 10,102,963,682.25
5. Step 5: Solve for x
   x = 10,102,963,682.25/61,561.50
6. Step 6: Final answer
   x = 164,111.72