Finding the Third Proportional to 156,457.50 and 336,501

Step by Step Solution

1. Step 1: Write the proportion equation
   156,457.50 : 336,501 = 336,501 : x
2. Step 2: Convert to fraction form
   156,457.50/336,501 = 336,501/x
3. Step 3: Cross multiply
   156,457.50x = 336,501 × 336,501
4. Step 4: Simplify right side
   156,457.50x = 113,232,923,001
5. Step 5: Solve for x
   x = 113,232,923,001/156,457.50
6. Step 6: Final answer
   x = 723,729.59