Finding the Third Proportional to 607,428 and 1,329,264

Step by Step Solution

1. Step 1: Write the proportion equation
   607,428 : 1,329,264 = 1,329,264 : x
2. Step 2: Convert to fraction form
   607,428/1,329,264 = 1,329,264/x
3. Step 3: Cross multiply
   607,428x = 1,329,264 × 1,329,264
4. Step 4: Simplify right side
   607,428x = 1,766,942,781,696
5. Step 5: Solve for x
   x = 1,766,942,781,696/607,428
6. Step 6: Final answer
   x = 2,908,892.55