Finding the Third Proportional to 3,559,316 and 8,398,547

Step by Step Solution

1. Step 1: Write the proportion equation
   3,559,316 : 8,398,547 = 8,398,547 : x
2. Step 2: Convert to fraction form
   3,559,316/8,398,547 = 8,398,547/x
3. Step 3: Cross multiply
   3,559,316x = 8,398,547 × 8,398,547
4. Step 4: Simplify right side
   3,559,316x = 70,535,591,711,209
5. Step 5: Solve for x
   x = 70,535,591,711,209/3,559,316
6. Step 6: Final answer
   x = 19,817,176.03