Finding the Third Proportional to 316,981.50 and 747,510

Step by Step Solution

1. Step 1: Write the proportion equation
   316,981.50 : 747,510 = 747,510 : x
2. Step 2: Convert to fraction form
   316,981.50/747,510 = 747,510/x
3. Step 3: Cross multiply
   316,981.50x = 747,510 × 747,510
4. Step 4: Simplify right side
   316,981.50x = 558,771,200,100
5. Step 5: Solve for x
   x = 558,771,200,100/316,981.50
6. Step 6: Final answer
   x = 1,762,788.05