Finding the Third Proportional to 2,129,102.17 and 4,670,404.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,129,102.17 : 4,670,404.71 = 4,670,404.71 : x
2. Step 2: Convert to fraction form
   2,129,102.17/4,670,404.71 = 4,670,404.71/x
3. Step 3: Cross multiply
   2,129,102.17x = 4,670,404.71 × 4,670,404.71
4. Step 4: Simplify right side
   2,129,102.17x = 21,812,680,136,581.43
5. Step 5: Solve for x
   x = 21,812,680,136,581.43/2,129,102.17
6. Step 6: Final answer
   x = 10,245,013.37