Finding the Third Proportional to 1,419,457.50 and 2,128,663.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,419,457.50 : 2,128,663.88 = 2,128,663.88 : x
2. Step 2: Convert to fraction form
   1,419,457.50/2,128,663.88 = 2,128,663.88/x
3. Step 3: Cross multiply
   1,419,457.50x = 2,128,663.88 × 2,128,663.88
4. Step 4: Simplify right side
   1,419,457.50x = 4,531,209,892,730.02
5. Step 5: Solve for x
   x = 4,531,209,892,730.02/1,419,457.50
6. Step 6: Final answer
   x = 3,192,212.44