Finding the Third Proportional to 618,301 and 983,552.50

Step by Step Solution

1. Step 1: Write the proportion equation
   618,301 : 983,552.50 = 983,552.50 : x
2. Step 2: Convert to fraction form
   618,301/983,552.50 = 983,552.50/x
3. Step 3: Cross multiply
   618,301x = 983,552.50 × 983,552.50
4. Step 4: Simplify right side
   618,301x = 967,375,520,256.25
5. Step 5: Solve for x
   x = 967,375,520,256.25/618,301
6. Step 6: Final answer
   x = 1,564,570.53