Finding the Third Proportional to 528,840 and 1,152,931.50

Step by Step Solution

1. Step 1: Write the proportion equation
   528,840 : 1,152,931.50 = 1,152,931.50 : x
2. Step 2: Convert to fraction form
   528,840/1,152,931.50 = 1,152,931.50/x
3. Step 3: Cross multiply
   528,840x = 1,152,931.50 × 1,152,931.50
4. Step 4: Simplify right side
   528,840x = 1,329,251,043,692.25
5. Step 5: Solve for x
   x = 1,329,251,043,692.25/528,840
6. Step 6: Final answer
   x = 2,513,522.13