Finding the Third Proportional to 48,423 and 64,945.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,423 : 64,945.50 = 64,945.50 : x
2. Step 2: Convert to fraction form
   48,423/64,945.50 = 64,945.50/x
3. Step 3: Cross multiply
   48,423x = 64,945.50 × 64,945.50
4. Step 4: Simplify right side
   48,423x = 4,217,917,970.25
5. Step 5: Solve for x
   x = 4,217,917,970.25/48,423
6. Step 6: Final answer
   x = 87,105.67