Finding the Third Proportional to 45,872.50 and 64,599

Step by Step Solution

1. Step 1: Write the proportion equation
   45,872.50 : 64,599 = 64,599 : x
2. Step 2: Convert to fraction form
   45,872.50/64,599 = 64,599/x
3. Step 3: Cross multiply
   45,872.50x = 64,599 × 64,599
4. Step 4: Simplify right side
   45,872.50x = 4,173,030,801
5. Step 5: Solve for x
   x = 4,173,030,801/45,872.50
6. Step 6: Final answer
   x = 90,970.21