Finding the Third Proportional to 329,501 and 719,426.50

Step by Step Solution

1. Step 1: Write the proportion equation
   329,501 : 719,426.50 = 719,426.50 : x
2. Step 2: Convert to fraction form
   329,501/719,426.50 = 719,426.50/x
3. Step 3: Cross multiply
   329,501x = 719,426.50 × 719,426.50
4. Step 4: Simplify right side
   329,501x = 517,574,488,902.25
5. Step 5: Solve for x
   x = 517,574,488,902.25/329,501
6. Step 6: Final answer
   x = 1,570,782.76