Finding the Third Proportional to 748,432 and 1,172,719.50

Step by Step Solution

1. Step 1: Write the proportion equation
   748,432 : 1,172,719.50 = 1,172,719.50 : x
2. Step 2: Convert to fraction form
   748,432/1,172,719.50 = 1,172,719.50/x
3. Step 3: Cross multiply
   748,432x = 1,172,719.50 × 1,172,719.50
4. Step 4: Simplify right side
   748,432x = 1,375,271,025,680.25
5. Step 5: Solve for x
   x = 1,375,271,025,680.25/748,432
6. Step 6: Final answer
   x = 1,837,536.38