Finding the Third Proportional to 4,088,752 and 8,920,178

Step by Step Solution

1. Step 1: Write the proportion equation
   4,088,752 : 8,920,178 = 8,920,178 : x
2. Step 2: Convert to fraction form
   4,088,752/8,920,178 = 8,920,178/x
3. Step 3: Cross multiply
   4,088,752x = 8,920,178 × 8,920,178
4. Step 4: Simplify right side
   4,088,752x = 79,569,575,551,684
5. Step 5: Solve for x
   x = 79,569,575,551,684/4,088,752
6. Step 6: Final answer
   x = 19,460,602.05