Finding the Third Proportional to 112,903.50 and 243,627

Step by Step Solution

1. Step 1: Write the proportion equation
   112,903.50 : 243,627 = 243,627 : x
2. Step 2: Convert to fraction form
   112,903.50/243,627 = 243,627/x
3. Step 3: Cross multiply
   112,903.50x = 243,627 × 243,627
4. Step 4: Simplify right side
   112,903.50x = 59,354,115,129
5. Step 5: Solve for x
   x = 59,354,115,129/112,903.50
6. Step 6: Final answer
   x = 525,706.60