Finding the Third Proportional to 442,138.50 and 947,312.72

Step by Step Solution

1. Step 1: Write the proportion equation
   442,138.50 : 947,312.72 = 947,312.72 : x
2. Step 2: Convert to fraction form
   442,138.50/947,312.72 = 947,312.72/x
3. Step 3: Cross multiply
   442,138.50x = 947,312.72 × 947,312.72
4. Step 4: Simplify right side
   442,138.50x = 897,401,387,105.52
5. Step 5: Solve for x
   x = 897,401,387,105.52/442,138.50
6. Step 6: Final answer
   x = 2,029,683.88