Finding the Third Proportional to 642,897 and 970,177.50

Step by Step Solution

1. Step 1: Write the proportion equation
   642,897 : 970,177.50 = 970,177.50 : x
2. Step 2: Convert to fraction form
   642,897/970,177.50 = 970,177.50/x
3. Step 3: Cross multiply
   642,897x = 970,177.50 × 970,177.50
4. Step 4: Simplify right side
   642,897x = 941,244,381,506.25
5. Step 5: Solve for x
   x = 941,244,381,506.25/642,897
6. Step 6: Final answer
   x = 1,464,067.15