Finding the Third Proportional to 117,620 and 250,412.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,620 : 250,412.50 = 250,412.50 : x
2. Step 2: Convert to fraction form
   117,620/250,412.50 = 250,412.50/x
3. Step 3: Cross multiply
   117,620x = 250,412.50 × 250,412.50
4. Step 4: Simplify right side
   117,620x = 62,706,420,156.25
5. Step 5: Solve for x
   x = 62,706,420,156.25/117,620
6. Step 6: Final answer
   x = 533,127.19