Finding the Third Proportional to 109,720,000 and 149,443,760

Step by Step Solution

1. Step 1: Write the proportion equation
   109,720,000 : 149,443,760 = 149,443,760 : x
2. Step 2: Convert to fraction form
   109,720,000/149,443,760 = 149,443,760/x
3. Step 3: Cross multiply
   109,720,000x = 149,443,760 × 149,443,760
4. Step 4: Simplify right side
   109,720,000x = 22,333,437,402,937,600
5. Step 5: Solve for x
   x = 22,333,437,402,937,600/109,720,000
6. Step 6: Final answer
   x = 203,549,374.80