Finding the Third Proportional to 2,319,312 and 3,689,784

Step by Step Solution

1. Step 1: Write the proportion equation
   2,319,312 : 3,689,784 = 3,689,784 : x
2. Step 2: Convert to fraction form
   2,319,312/3,689,784 = 3,689,784/x
3. Step 3: Cross multiply
   2,319,312x = 3,689,784 × 3,689,784
4. Step 4: Simplify right side
   2,319,312x = 13,614,505,966,656
5. Step 5: Solve for x
   x = 13,614,505,966,656/2,319,312
6. Step 6: Final answer
   x = 5,870,062.31