Finding the Third Proportional to 156,784.50 and 344,784

Step by Step Solution

1. Step 1: Write the proportion equation
   156,784.50 : 344,784 = 344,784 : x
2. Step 2: Convert to fraction form
   156,784.50/344,784 = 344,784/x
3. Step 3: Cross multiply
   156,784.50x = 344,784 × 344,784
4. Step 4: Simplify right side
   156,784.50x = 118,876,006,656
5. Step 5: Solve for x
   x = 118,876,006,656/156,784.50
6. Step 6: Final answer
   x = 758,212.75