Finding the Third Proportional to 4,009,762 and 8,813,428

Step by Step Solution

1. Step 1: Write the proportion equation
   4,009,762 : 8,813,428 = 8,813,428 : x
2. Step 2: Convert to fraction form
   4,009,762/8,813,428 = 8,813,428/x
3. Step 3: Cross multiply
   4,009,762x = 8,813,428 × 8,813,428
4. Step 4: Simplify right side
   4,009,762x = 77,676,513,111,184
5. Step 5: Solve for x
   x = 77,676,513,111,184/4,009,762
6. Step 6: Final answer
   x = 19,371,851.27