Finding the Third Proportional to 64,419.50 and 92,784.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,419.50 : 92,784.50 = 92,784.50 : x
2. Step 2: Convert to fraction form
   64,419.50/92,784.50 = 92,784.50/x
3. Step 3: Cross multiply
   64,419.50x = 92,784.50 × 92,784.50
4. Step 4: Simplify right side
   64,419.50x = 8,608,963,440.25
5. Step 5: Solve for x
   x = 8,608,963,440.25/64,419.50
6. Step 6: Final answer
   x = 133,639.09