Finding the Third Proportional to 12,170,518.31 and 17,402,710.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,170,518.31 : 17,402,710.78 = 17,402,710.78 : x
2. Step 2: Convert to fraction form
   12,170,518.31/17,402,710.78 = 17,402,710.78/x
3. Step 3: Cross multiply
   12,170,518.31x = 17,402,710.78 × 17,402,710.78
4. Step 4: Simplify right side
   12,170,518.31x = 302,854,342,535,835
5. Step 5: Solve for x
   x = 302,854,342,535,835/12,170,518.31
6. Step 6: Final answer
   x = 24,884,260.04