Finding the Third Proportional to 1,211,490 and 1,875,654

Step by Step Solution

1. Step 1: Write the proportion equation
   1,211,490 : 1,875,654 = 1,875,654 : x
2. Step 2: Convert to fraction form
   1,211,490/1,875,654 = 1,875,654/x
3. Step 3: Cross multiply
   1,211,490x = 1,875,654 × 1,875,654
4. Step 4: Simplify right side
   1,211,490x = 3,518,077,927,716
5. Step 5: Solve for x
   x = 3,518,077,927,716/1,211,490
6. Step 6: Final answer
   x = 2,903,926.51