Finding the Third Proportional to 1,287,192 and 2,773,726.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,192 : 2,773,726.50 = 2,773,726.50 : x
2. Step 2: Convert to fraction form
   1,287,192/2,773,726.50 = 2,773,726.50/x
3. Step 3: Cross multiply
   1,287,192x = 2,773,726.50 × 2,773,726.50
4. Step 4: Simplify right side
   1,287,192x = 7,693,558,696,802.25
5. Step 5: Solve for x
   x = 7,693,558,696,802.25/1,287,192
6. Step 6: Final answer
   x = 5,977,009.41