Finding the Third Proportional to 66,913.88 and 97,858.13

Step by Step Solution

1. Step 1: Write the proportion equation
   66,913.88 : 97,858.13 = 97,858.13 : x
2. Step 2: Convert to fraction form
   66,913.88/97,858.13 = 97,858.13/x
3. Step 3: Cross multiply
   66,913.88x = 97,858.13 × 97,858.13
4. Step 4: Simplify right side
   66,913.88x = 9,576,212,628.52
5. Step 5: Solve for x
   x = 9,576,212,628.52/66,913.88
6. Step 6: Final answer
   x = 143,112.51