Finding the Third Proportional to 1,439,776 and 2,157,456.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,439,776 : 2,157,456.50 = 2,157,456.50 : x
2. Step 2: Convert to fraction form
   1,439,776/2,157,456.50 = 2,157,456.50/x
3. Step 3: Cross multiply
   1,439,776x = 2,157,456.50 × 2,157,456.50
4. Step 4: Simplify right side
   1,439,776x = 4,654,618,549,392.25
5. Step 5: Solve for x
   x = 4,654,618,549,392.25/1,439,776
6. Step 6: Final answer
   x = 3,232,876.88