Finding the Third Proportional to 31,523,624 and 68,076,880

Step by Step Solution

1. Step 1: Write the proportion equation
   31,523,624 : 68,076,880 = 68,076,880 : x
2. Step 2: Convert to fraction form
   31,523,624/68,076,880 = 68,076,880/x
3. Step 3: Cross multiply
   31,523,624x = 68,076,880 × 68,076,880
4. Step 4: Simplify right side
   31,523,624x = 4,634,461,590,534,400
5. Step 5: Solve for x
   x = 4,634,461,590,534,400/31,523,624
6. Step 6: Final answer
   x = 147,015,507.82