Finding the Third Proportional to 43,291.50 and 64,938.75

Step by Step Solution

1. Step 1: Write the proportion equation
   43,291.50 : 64,938.75 = 64,938.75 : x
2. Step 2: Convert to fraction form
   43,291.50/64,938.75 = 64,938.75/x
3. Step 3: Cross multiply
   43,291.50x = 64,938.75 × 64,938.75
4. Step 4: Simplify right side
   43,291.50x = 4,217,041,251.56
5. Step 5: Solve for x
   x = 4,217,041,251.56/43,291.50
6. Step 6: Final answer
   x = 97,410.38