Finding the Third Proportional to 42,924 and 66,462.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,924 : 66,462.50 = 66,462.50 : x
2. Step 2: Convert to fraction form
   42,924/66,462.50 = 66,462.50/x
3. Step 3: Cross multiply
   42,924x = 66,462.50 × 66,462.50
4. Step 4: Simplify right side
   42,924x = 4,417,263,906.25
5. Step 5: Solve for x
   x = 4,417,263,906.25/42,924
6. Step 6: Final answer
   x = 102,908.95