Finding the Third Proportional to 600,243 and 915,607.50

Step by Step Solution

1. Step 1: Write the proportion equation
   600,243 : 915,607.50 = 915,607.50 : x
2. Step 2: Convert to fraction form
   600,243/915,607.50 = 915,607.50/x
3. Step 3: Cross multiply
   600,243x = 915,607.50 × 915,607.50
4. Step 4: Simplify right side
   600,243x = 838,337,094,056.25
5. Step 5: Solve for x
   x = 838,337,094,056.25/600,243
6. Step 6: Final answer
   x = 1,396,662.84