Finding the Third Proportional to 29,558 and 64,864.50

Step by Step Solution

1. Step 1: Write the proportion equation
   29,558 : 64,864.50 = 64,864.50 : x
2. Step 2: Convert to fraction form
   29,558/64,864.50 = 64,864.50/x
3. Step 3: Cross multiply
   29,558x = 64,864.50 × 64,864.50
4. Step 4: Simplify right side
   29,558x = 4,207,403,360.25
5. Step 5: Solve for x
   x = 4,207,403,360.25/29,558
6. Step 6: Final answer
   x = 142,343.98