Finding the Third Proportional to 346,191 and 719,901.50

Step by Step Solution

1. Step 1: Write the proportion equation
   346,191 : 719,901.50 = 719,901.50 : x
2. Step 2: Convert to fraction form
   346,191/719,901.50 = 719,901.50/x
3. Step 3: Cross multiply
   346,191x = 719,901.50 × 719,901.50
4. Step 4: Simplify right side
   346,191x = 518,258,169,702.25
5. Step 5: Solve for x
   x = 518,258,169,702.25/346,191
6. Step 6: Final answer
   x = 1,497,029.59