Finding the Third Proportional to 156,840 and 370,188

Step by Step Solution

1. Step 1: Write the proportion equation
   156,840 : 370,188 = 370,188 : x
2. Step 2: Convert to fraction form
   156,840/370,188 = 370,188/x
3. Step 3: Cross multiply
   156,840x = 370,188 × 370,188
4. Step 4: Simplify right side
   156,840x = 137,039,155,344
5. Step 5: Solve for x
   x = 137,039,155,344/156,840
6. Step 6: Final answer
   x = 873,751.31