Finding the Third Proportional to 156,413 and 341,491.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,413 : 341,491.50 = 341,491.50 : x
2. Step 2: Convert to fraction form
   156,413/341,491.50 = 341,491.50/x
3. Step 3: Cross multiply
   156,413x = 341,491.50 × 341,491.50
4. Step 4: Simplify right side
   156,413x = 116,616,444,572.25
5. Step 5: Solve for x
   x = 116,616,444,572.25/156,413
6. Step 6: Final answer
   x = 745,567.47