Finding the Third Proportional to 697,099.50 and 1,525,405.50

Step by Step Solution

1. Step 1: Write the proportion equation
   697,099.50 : 1,525,405.50 = 1,525,405.50 : x
2. Step 2: Convert to fraction form
   697,099.50/1,525,405.50 = 1,525,405.50/x
3. Step 3: Cross multiply
   697,099.50x = 1,525,405.50 × 1,525,405.50
4. Step 4: Simplify right side
   697,099.50x = 2,326,861,939,430.25
5. Step 5: Solve for x
   x = 2,326,861,939,430.25/697,099.50
6. Step 6: Final answer
   x = 3,337,919.39