Finding the Third Proportional to 64,477.13 and 98,623.69

Step by Step Solution

1. Step 1: Write the proportion equation
   64,477.13 : 98,623.69 = 98,623.69 : x
2. Step 2: Convert to fraction form
   64,477.13/98,623.69 = 98,623.69/x
3. Step 3: Cross multiply
   64,477.13x = 98,623.69 × 98,623.69
4. Step 4: Simplify right side
   64,477.13x = 9,726,631,736.10
5. Step 5: Solve for x
   x = 9,726,631,736.10/64,477.13
6. Step 6: Final answer
   x = 150,853.99