Finding the Third Proportional to 316,119 and 746,212.50

Step by Step Solution

1. Step 1: Write the proportion equation
   316,119 : 746,212.50 = 746,212.50 : x
2. Step 2: Convert to fraction form
   316,119/746,212.50 = 746,212.50/x
3. Step 3: Cross multiply
   316,119x = 746,212.50 × 746,212.50
4. Step 4: Simplify right side
   316,119x = 556,833,095,156.25
5. Step 5: Solve for x
   x = 556,833,095,156.25/316,119
6. Step 6: Final answer
   x = 1,761,466.71