Finding the Third Proportional to 61,405.31 and 97,644.38

Step by Step Solution

1. Step 1: Write the proportion equation
   61,405.31 : 97,644.38 = 97,644.38 : x
2. Step 2: Convert to fraction form
   61,405.31/97,644.38 = 97,644.38/x
3. Step 3: Cross multiply
   61,405.31x = 97,644.38 × 97,644.38
4. Step 4: Simplify right side
   61,405.31x = 9,534,423,969.14
5. Step 5: Solve for x
   x = 9,534,423,969.14/61,405.31
6. Step 6: Final answer
   x = 155,270.34