Finding the Third Proportional to 1,739,940 and 3,688,776

Step by Step Solution

1. Step 1: Write the proportion equation
   1,739,940 : 3,688,776 = 3,688,776 : x
2. Step 2: Convert to fraction form
   1,739,940/3,688,776 = 3,688,776/x
3. Step 3: Cross multiply
   1,739,940x = 3,688,776 × 3,688,776
4. Step 4: Simplify right side
   1,739,940x = 13,607,068,378,176
5. Step 5: Solve for x
   x = 13,607,068,378,176/1,739,940
6. Step 6: Final answer
   x = 7,820,423.91