Finding the Third Proportional to 17,430.19 and 34,435.13

Step by Step Solution

1. Step 1: Write the proportion equation
   17,430.19 : 34,435.13 = 34,435.13 : x
2. Step 2: Convert to fraction form
   17,430.19/34,435.13 = 34,435.13/x
3. Step 3: Cross multiply
   17,430.19x = 34,435.13 × 34,435.13
4. Step 4: Simplify right side
   17,430.19x = 1,185,777,833.77
5. Step 5: Solve for x
   x = 1,185,777,833.77/17,430.19
6. Step 6: Final answer
   x = 68,030.12