Finding the Third Proportional to 156,783 and 344,779.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,783 : 344,779.50 = 344,779.50 : x
2. Step 2: Convert to fraction form
   156,783/344,779.50 = 344,779.50/x
3. Step 3: Cross multiply
   156,783x = 344,779.50 × 344,779.50
4. Step 4: Simplify right side
   156,783x = 118,872,903,620.25
5. Step 5: Solve for x
   x = 118,872,903,620.25/156,783
6. Step 6: Final answer
   x = 758,200.21