Finding the Third Proportional to 376,520.91 and 573,612.89

Step by Step Solution

1. Step 1: Write the proportion equation
   376,520.91 : 573,612.89 = 573,612.89 : x
2. Step 2: Convert to fraction form
   376,520.91/573,612.89 = 573,612.89/x
3. Step 3: Cross multiply
   376,520.91x = 573,612.89 × 573,612.89
4. Step 4: Simplify right side
   376,520.91x = 329,031,748,291.17
5. Step 5: Solve for x
   x = 329,031,748,291.17/376,520.91
6. Step 6: Final answer
   x = 873,873.78