Finding the Third Proportional to 762,156 and 1,120,428

Step by Step Solution

1. Step 1: Write the proportion equation
   762,156 : 1,120,428 = 1,120,428 : x
2. Step 2: Convert to fraction form
   762,156/1,120,428 = 1,120,428/x
3. Step 3: Cross multiply
   762,156x = 1,120,428 × 1,120,428
4. Step 4: Simplify right side
   762,156x = 1,255,358,903,184
5. Step 5: Solve for x
   x = 1,255,358,903,184/762,156
6. Step 6: Final answer
   x = 1,647,115.42