Finding the Third Proportional to 784,670 and 1,663,516

Step by Step Solution

1. Step 1: Write the proportion equation
   784,670 : 1,663,516 = 1,663,516 : x
2. Step 2: Convert to fraction form
   784,670/1,663,516 = 1,663,516/x
3. Step 3: Cross multiply
   784,670x = 1,663,516 × 1,663,516
4. Step 4: Simplify right side
   784,670x = 2,767,285,482,256
5. Step 5: Solve for x
   x = 2,767,285,482,256/784,670
6. Step 6: Final answer
   x = 3,526,686.99