Finding the Third Proportional to 141,384.50 and 307,312

Step by Step Solution

1. Step 1: Write the proportion equation
   141,384.50 : 307,312 = 307,312 : x
2. Step 2: Convert to fraction form
   141,384.50/307,312 = 307,312/x
3. Step 3: Cross multiply
   141,384.50x = 307,312 × 307,312
4. Step 4: Simplify right side
   141,384.50x = 94,440,665,344
5. Step 5: Solve for x
   x = 94,440,665,344/141,384.50
6. Step 6: Final answer
   x = 667,970.43