Finding the Third Proportional to 353,188 and 784,835.50

Step by Step Solution

1. Step 1: Write the proportion equation
   353,188 : 784,835.50 = 784,835.50 : x
2. Step 2: Convert to fraction form
   353,188/784,835.50 = 784,835.50/x
3. Step 3: Cross multiply
   353,188x = 784,835.50 × 784,835.50
4. Step 4: Simplify right side
   353,188x = 615,966,762,060.25
5. Step 5: Solve for x
   x = 615,966,762,060.25/353,188
6. Step 6: Final answer
   x = 1,744,019.51