Finding the Third Proportional to 364,590 and 570,631.50

Step by Step Solution

1. Step 1: Write the proportion equation
   364,590 : 570,631.50 = 570,631.50 : x
2. Step 2: Convert to fraction form
   364,590/570,631.50 = 570,631.50/x
3. Step 3: Cross multiply
   364,590x = 570,631.50 × 570,631.50
4. Step 4: Simplify right side
   364,590x = 325,620,308,792.25
5. Step 5: Solve for x
   x = 325,620,308,792.25/364,590
6. Step 6: Final answer
   x = 893,113.66