Finding the Third Proportional to 552,534 and 830,851.50

Step by Step Solution

1. Step 1: Write the proportion equation
   552,534 : 830,851.50 = 830,851.50 : x
2. Step 2: Convert to fraction form
   552,534/830,851.50 = 830,851.50/x
3. Step 3: Cross multiply
   552,534x = 830,851.50 × 830,851.50
4. Step 4: Simplify right side
   552,534x = 690,314,215,052.25
5. Step 5: Solve for x
   x = 690,314,215,052.25/552,534
6. Step 6: Final answer
   x = 1,249,360.61