Finding the Third Proportional to 1,261,480 and 1,905,342

Step by Step Solution

1. Step 1: Write the proportion equation
   1,261,480 : 1,905,342 = 1,905,342 : x
2. Step 2: Convert to fraction form
   1,261,480/1,905,342 = 1,905,342/x
3. Step 3: Cross multiply
   1,261,480x = 1,905,342 × 1,905,342
4. Step 4: Simplify right side
   1,261,480x = 3,630,328,136,964
5. Step 5: Solve for x
   x = 3,630,328,136,964/1,261,480
6. Step 6: Final answer
   x = 2,877,832.50