Finding the Third Proportional to 1,687,060 and 3,623,438

Step by Step Solution

1. Step 1: Write the proportion equation
   1,687,060 : 3,623,438 = 3,623,438 : x
2. Step 2: Convert to fraction form
   1,687,060/3,623,438 = 3,623,438/x
3. Step 3: Cross multiply
   1,687,060x = 3,623,438 × 3,623,438
4. Step 4: Simplify right side
   1,687,060x = 13,129,302,939,844
5. Step 5: Solve for x
   x = 13,129,302,939,844/1,687,060
6. Step 6: Final answer
   x = 7,782,356.85