Finding the Third Proportional to 156,834.56 and 243,190.69

Step by Step Solution

1. Step 1: Write the proportion equation
   156,834.56 : 243,190.69 = 243,190.69 : x
2. Step 2: Convert to fraction form
   156,834.56/243,190.69 = 243,190.69/x
3. Step 3: Cross multiply
   156,834.56x = 243,190.69 × 243,190.69
4. Step 4: Simplify right side
   156,834.56x = 59,141,710,486.72
5. Step 5: Solve for x
   x = 59,141,710,486.72/156,834.56
6. Step 6: Final answer
   x = 377,096.15