Finding the Third Proportional to 915,312 and 1,367,784

Step by Step Solution

1. Step 1: Write the proportion equation
   915,312 : 1,367,784 = 1,367,784 : x
2. Step 2: Convert to fraction form
   915,312/1,367,784 = 1,367,784/x
3. Step 3: Cross multiply
   915,312x = 1,367,784 × 1,367,784
4. Step 4: Simplify right side
   915,312x = 1,870,833,070,656
5. Step 5: Solve for x
   x = 1,870,833,070,656/915,312
6. Step 6: Final answer
   x = 2,043,929.36