Finding the Third Proportional to 42,616.13 and 64,810.13

Step by Step Solution

1. Step 1: Write the proportion equation
   42,616.13 : 64,810.13 = 64,810.13 : x
2. Step 2: Convert to fraction form
   42,616.13/64,810.13 = 64,810.13/x
3. Step 3: Cross multiply
   42,616.13x = 64,810.13 × 64,810.13
4. Step 4: Simplify right side
   42,616.13x = 4,200,352,302.52
5. Step 5: Solve for x
   x = 4,200,352,302.52/42,616.13
6. Step 6: Final answer
   x = 98,562.51