Finding the Third Proportional to 156,780 and 344,773.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,780 : 344,773.50 = 344,773.50 : x
2. Step 2: Convert to fraction form
   156,780/344,773.50 = 344,773.50/x
3. Step 3: Cross multiply
   156,780x = 344,773.50 × 344,773.50
4. Step 4: Simplify right side
   156,780x = 118,868,766,302.25
5. Step 5: Solve for x
   x = 118,868,766,302.25/156,780
6. Step 6: Final answer
   x = 758,188.33