Finding the Third Proportional to 590,436 and 939,955.50

Step by Step Solution

1. Step 1: Write the proportion equation
   590,436 : 939,955.50 = 939,955.50 : x
2. Step 2: Convert to fraction form
   590,436/939,955.50 = 939,955.50/x
3. Step 3: Cross multiply
   590,436x = 939,955.50 × 939,955.50
4. Step 4: Simplify right side
   590,436x = 883,516,341,980.25
5. Step 5: Solve for x
   x = 883,516,341,980.25/590,436
6. Step 6: Final answer
   x = 1,496,379.53