Finding the Third Proportional to 64,012,308 and 91,472,164

Step by Step Solution

1. Step 1: Write the proportion equation
   64,012,308 : 91,472,164 = 91,472,164 : x
2. Step 2: Convert to fraction form
   64,012,308/91,472,164 = 91,472,164/x
3. Step 3: Cross multiply
   64,012,308x = 91,472,164 × 91,472,164
4. Step 4: Simplify right side
   64,012,308x = 8,367,156,786,842,896
5. Step 5: Solve for x
   x = 8,367,156,786,842,896/64,012,308
6. Step 6: Final answer
   x = 130,711,687.30