Finding the Third Proportional to 360,748,128 and 790,443,168

Step by Step Solution

1. Step 1: Write the proportion equation
   360,748,128 : 790,443,168 = 790,443,168 : x
2. Step 2: Convert to fraction form
   360,748,128/790,443,168 = 790,443,168/x
3. Step 3: Cross multiply
   360,748,128x = 790,443,168 × 790,443,168
4. Step 4: Simplify right side
   360,748,128x = 624,800,401,837,876,224
5. Step 5: Solve for x
   x = 624,800,401,837,876,224/360,748,128
6. Step 6: Final answer
   x = 1,731,957,433.30