Finding the Third Proportional to 572,370 and 1,243,158

Step by Step Solution

1. Step 1: Write the proportion equation
   572,370 : 1,243,158 = 1,243,158 : x
2. Step 2: Convert to fraction form
   572,370/1,243,158 = 1,243,158/x
3. Step 3: Cross multiply
   572,370x = 1,243,158 × 1,243,158
4. Step 4: Simplify right side
   572,370x = 1,545,441,812,964
5. Step 5: Solve for x
   x = 1,545,441,812,964/572,370
6. Step 6: Final answer
   x = 2,700,074.80