Finding the Third Proportional to 370,630.50 and 812,178

Step by Step Solution

1. Step 1: Write the proportion equation
   370,630.50 : 812,178 = 812,178 : x
2. Step 2: Convert to fraction form
   370,630.50/812,178 = 812,178/x
3. Step 3: Cross multiply
   370,630.50x = 812,178 × 812,178
4. Step 4: Simplify right side
   370,630.50x = 659,633,103,684
5. Step 5: Solve for x
   x = 659,633,103,684/370,630.50
6. Step 6: Final answer
   x = 1,779,759.37