Finding the Third Proportional to 712,587 and 1,069,807.50

Step by Step Solution

1. Step 1: Write the proportion equation
   712,587 : 1,069,807.50 = 1,069,807.50 : x
2. Step 2: Convert to fraction form
   712,587/1,069,807.50 = 1,069,807.50/x
3. Step 3: Cross multiply
   712,587x = 1,069,807.50 × 1,069,807.50
4. Step 4: Simplify right side
   712,587x = 1,144,488,087,056.25
5. Step 5: Solve for x
   x = 1,144,488,087,056.25/712,587
6. Step 6: Final answer
   x = 1,606,102.96