Finding the Third Proportional to 45,072 and 70,066.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,072 : 70,066.50 = 70,066.50 : x
2. Step 2: Convert to fraction form
   45,072/70,066.50 = 70,066.50/x
3. Step 3: Cross multiply
   45,072x = 70,066.50 × 70,066.50
4. Step 4: Simplify right side
   45,072x = 4,909,314,422.25
5. Step 5: Solve for x
   x = 4,909,314,422.25/45,072
6. Step 6: Final answer
   x = 108,921.60