Finding the Third Proportional to 3,980,412 and 5,964,358.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,980,412 : 5,964,358.50 = 5,964,358.50 : x
2. Step 2: Convert to fraction form
   3,980,412/5,964,358.50 = 5,964,358.50/x
3. Step 3: Cross multiply
   3,980,412x = 5,964,358.50 × 5,964,358.50
4. Step 4: Simplify right side
   3,980,412x = 35,573,572,316,522.25
5. Step 5: Solve for x
   x = 35,573,572,316,522.25/3,980,412
6. Step 6: Final answer
   x = 8,937,158.34