Finding the Third Proportional to 17,801,748 and 38,122,920

Step by Step Solution

1. Step 1: Write the proportion equation
   17,801,748 : 38,122,920 = 38,122,920 : x
2. Step 2: Convert to fraction form
   17,801,748/38,122,920 = 38,122,920/x
3. Step 3: Cross multiply
   17,801,748x = 38,122,920 × 38,122,920
4. Step 4: Simplify right side
   17,801,748x = 1,453,357,029,326,400
5. Step 5: Solve for x
   x = 1,453,357,029,326,400/17,801,748
6. Step 6: Final answer
   x = 81,641,253.96