Finding the Third Proportional to 147,097,492.50 and 320,051,040

Step by Step Solution

1. Step 1: Write the proportion equation
   147,097,492.50 : 320,051,040 = 320,051,040 : x
2. Step 2: Convert to fraction form
   147,097,492.50/320,051,040 = 320,051,040/x
3. Step 3: Cross multiply
   147,097,492.50x = 320,051,040 × 320,051,040
4. Step 4: Simplify right side
   147,097,492.50x = 102,432,668,205,081,600
5. Step 5: Solve for x
   x = 102,432,668,205,081,600/147,097,492.50
6. Step 6: Final answer
   x = 696,359,036.88