Finding the Third Proportional to 29,430.75 and 64,116.19

Step by Step Solution

1. Step 1: Write the proportion equation
   29,430.75 : 64,116.19 = 64,116.19 : x
2. Step 2: Convert to fraction form
   29,430.75/64,116.19 = 64,116.19/x
3. Step 3: Cross multiply
   29,430.75x = 64,116.19 × 64,116.19
4. Step 4: Simplify right side
   29,430.75x = 4,110,885,499.54
5. Step 5: Solve for x
   x = 4,110,885,499.54/29,430.75
6. Step 6: Final answer
   x = 139,679.94