Finding the Third Proportional to 45,602.50 and 64,173.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,602.50 : 64,173.50 = 64,173.50 : x
2. Step 2: Convert to fraction form
   45,602.50/64,173.50 = 64,173.50/x
3. Step 3: Cross multiply
   45,602.50x = 64,173.50 × 64,173.50
4. Step 4: Simplify right side
   45,602.50x = 4,118,238,102.25
5. Step 5: Solve for x
   x = 4,118,238,102.25/45,602.50
6. Step 6: Final answer
   x = 90,307.29