Finding the Third Proportional to 740,258 and 1,607,359

Step by Step Solution

1. Step 1: Write the proportion equation
   740,258 : 1,607,359 = 1,607,359 : x
2. Step 2: Convert to fraction form
   740,258/1,607,359 = 1,607,359/x
3. Step 3: Cross multiply
   740,258x = 1,607,359 × 1,607,359
4. Step 4: Simplify right side
   740,258x = 2,583,602,954,881
5. Step 5: Solve for x
   x = 2,583,602,954,881/740,258
6. Step 6: Final answer
   x = 3,490,138.51