Finding the Third Proportional to 103,322.25 and 243,337.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,322.25 : 243,337.50 = 243,337.50 : x
2. Step 2: Convert to fraction form
   103,322.25/243,337.50 = 243,337.50/x
3. Step 3: Cross multiply
   103,322.25x = 243,337.50 × 243,337.50
4. Step 4: Simplify right side
   103,322.25x = 59,213,138,906.25
5. Step 5: Solve for x
   x = 59,213,138,906.25/103,322.25
6. Step 6: Final answer
   x = 573,091.85