Finding the Third Proportional to 653,128 and 1,008,812.50

Step by Step Solution

1. Step 1: Write the proportion equation
   653,128 : 1,008,812.50 = 1,008,812.50 : x
2. Step 2: Convert to fraction form
   653,128/1,008,812.50 = 1,008,812.50/x
3. Step 3: Cross multiply
   653,128x = 1,008,812.50 × 1,008,812.50
4. Step 4: Simplify right side
   653,128x = 1,017,702,660,156.25
5. Step 5: Solve for x
   x = 1,017,702,660,156.25/653,128
6. Step 6: Final answer
   x = 1,558,197.87