Finding the Third Proportional to 64,192.50 and 93,911.63

Step by Step Solution

1. Step 1: Write the proportion equation
   64,192.50 : 93,911.63 = 93,911.63 : x
2. Step 2: Convert to fraction form
   64,192.50/93,911.63 = 93,911.63/x
3. Step 3: Cross multiply
   64,192.50x = 93,911.63 × 93,911.63
4. Step 4: Simplify right side
   64,192.50x = 8,819,393,310.14
5. Step 5: Solve for x
   x = 8,819,393,310.14/64,192.50
6. Step 6: Final answer
   x = 137,389.78