Finding the Third Proportional to 64,920.75 and 97,808.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,920.75 : 97,808.50 = 97,808.50 : x
2. Step 2: Convert to fraction form
   64,920.75/97,808.50 = 97,808.50/x
3. Step 3: Cross multiply
   64,920.75x = 97,808.50 × 97,808.50
4. Step 4: Simplify right side
   64,920.75x = 9,566,502,672.25
5. Step 5: Solve for x
   x = 9,566,502,672.25/64,920.75
6. Step 6: Final answer
   x = 147,356.63