Finding the Third Proportional to 705,099 and 1,074,172.50

Step by Step Solution

1. Step 1: Write the proportion equation
   705,099 : 1,074,172.50 = 1,074,172.50 : x
2. Step 2: Convert to fraction form
   705,099/1,074,172.50 = 1,074,172.50/x
3. Step 3: Cross multiply
   705,099x = 1,074,172.50 × 1,074,172.50
4. Step 4: Simplify right side
   705,099x = 1,153,846,559,756.25
5. Step 5: Solve for x
   x = 1,153,846,559,756.25/705,099
6. Step 6: Final answer
   x = 1,636,431.99