Finding the Third Proportional to 156,826.13 and 243,379.69

Step by Step Solution

1. Step 1: Write the proportion equation
   156,826.13 : 243,379.69 = 243,379.69 : x
2. Step 2: Convert to fraction form
   156,826.13/243,379.69 = 243,379.69/x
3. Step 3: Cross multiply
   156,826.13x = 243,379.69 × 243,379.69
4. Step 4: Simplify right side
   156,826.13x = 59,233,672,287.60
5. Step 5: Solve for x
   x = 59,233,672,287.60/156,826.13
6. Step 6: Final answer
   x = 377,702.84