Finding the Third Proportional to 697,513.50 and 987,250.50

Step by Step Solution

1. Step 1: Write the proportion equation
   697,513.50 : 987,250.50 = 987,250.50 : x
2. Step 2: Convert to fraction form
   697,513.50/987,250.50 = 987,250.50/x
3. Step 3: Cross multiply
   697,513.50x = 987,250.50 × 987,250.50
4. Step 4: Simplify right side
   697,513.50x = 974,663,549,750.25
5. Step 5: Solve for x
   x = 974,663,549,750.25/697,513.50
6. Step 6: Final answer
   x = 1,397,340.05