Finding the Third Proportional to 174,909 and 370,837.50

Step by Step Solution

1. Step 1: Write the proportion equation
   174,909 : 370,837.50 = 370,837.50 : x
2. Step 2: Convert to fraction form
   174,909/370,837.50 = 370,837.50/x
3. Step 3: Cross multiply
   174,909x = 370,837.50 × 370,837.50
4. Step 4: Simplify right side
   174,909x = 137,520,451,406.25
5. Step 5: Solve for x
   x = 137,520,451,406.25/174,909
6. Step 6: Final answer
   x = 786,240.00