Finding the Third Proportional to 72,120,267 and 170,075,700

Step by Step Solution

1. Step 1: Write the proportion equation
   72,120,267 : 170,075,700 = 170,075,700 : x
2. Step 2: Convert to fraction form
   72,120,267/170,075,700 = 170,075,700/x
3. Step 3: Cross multiply
   72,120,267x = 170,075,700 × 170,075,700
4. Step 4: Simplify right side
   72,120,267x = 28,925,743,730,490,000
5. Step 5: Solve for x
   x = 28,925,743,730,490,000/72,120,267
6. Step 6: Final answer
   x = 401,076,492.55