Finding the Third Proportional to 620,615.25 and 948,973.50

Step by Step Solution

1. Step 1: Write the proportion equation
   620,615.25 : 948,973.50 = 948,973.50 : x
2. Step 2: Convert to fraction form
   620,615.25/948,973.50 = 948,973.50/x
3. Step 3: Cross multiply
   620,615.25x = 948,973.50 × 948,973.50
4. Step 4: Simplify right side
   620,615.25x = 900,550,703,702.25
5. Step 5: Solve for x
   x = 900,550,703,702.25/620,615.25
6. Step 6: Final answer
   x = 1,451,061.19