Finding the Third Proportional to 2,148,457.50 and 3,107,047.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148,457.50 : 3,107,047.78 = 3,107,047.78 : x
2. Step 2: Convert to fraction form
   2,148,457.50/3,107,047.78 = 3,107,047.78/x
3. Step 3: Cross multiply
   2,148,457.50x = 3,107,047.78 × 3,107,047.78
4. Step 4: Simplify right side
   2,148,457.50x = 9,653,745,914,970.55
5. Step 5: Solve for x
   x = 9,653,745,914,970.55/2,148,457.50
6. Step 6: Final answer
   x = 4,493,338.09